lecture preflight 06
1: 4
2: 3
3: Throwing a ball in the air.
4: Joe sped up in graph A
5: Joe slowed down, stoped, and then sped up.
6: It could be someone running backwards, stopping, and then speeding up.
7: I liked the dry ice. I never knew why it "smoked"!
8: How exactly are pictures made?
lecture preflight 06
1: 4
2: 3
3: Throwing something in the air.
4: Speed up.
5: Drive at a constant speed, slow down to a stop and then speed up.
6: Back up, stop and speed up to drive away.
7: Dry ice goes straight from solid to gas.
8: How does baking soda absorb odors?
lecture preflight 06
1: 4
2: 2
3: Throwing a chalkboard eraser up in the air. It starts out fast but keeps moving, then slows a little, them starts to come back down. When it's coming down it gets faster.
4: he started out slow and gained speed with movement.
5: he started out fast, then slowed down and stopped for a little bit, then started and sped up again.
6: a kid fell out of a tree and then stopped to rest for a few seconds, them started running away.
7: dry ice seems to float because of the melting bottom part which turns into gas (never liquid).
8: I bought my roommate a calico fantail fish and other people told me they grow to be big, ugly anf have tumors. is this true?
lecture preflight 06
1: 4
2: 2
3: anything being thrown up in the air
4: he was speeding up
5: started fast then slowed down, stopped, then sped up again
6: stopping at a light
7: that dry ice on the ground is kinda like an air hockey table, but the puck makes the air
8: how come springs in a trampoline have enough power to push you up? and do they push back with the exact same force as you jumped down?
lecture preflight 06
1: 4
2: 3
3: the speed of the object accelerated,slowed down, and then stop
4: started slow and then speeded up
5: started fast slowed down and speede back up
6: come to a stop sign,and then drive off
7: the way an object's velocity can be determined by using a graph chart
8: i had saved my ballon from one of the previous labs. presently almost all the air has left the ballon and i dont know how did it happen.
lecture preflight 06
1: 4
2: 2
3: Throwing a ball up and across the room. Or, like in lab, an eraser.
4: He sped up as he drove his 18-wheeler.
5: He sped up, stayed at a constant speed, and then sped up again.
6: Slowing down to stop at a stoplight, then sitting at the stoplight until it turns green, then accelerating once the light turns green.
7: It's a good thing to make sure the alarm on your stopwatch isn't set...roommates get very annoyed at that!
8: How do humidifiers work?
lecture preflight 06
1: 3
2: 1
3: A boomerang?
4: He started peddling and then peddled faster and faster.
5: Joe peddled fast then slowed down then picked up the pace again.
6: I think that this is the path of airplane in relation to its distance to the ground.
7: I learned that the hockey puck like air hockey eventually slows down.
8: How does hair dye work?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball up in the air.
4: Sped up as he drove away.
5: sped up for a bit, chilled out (stopped), and then took off again, all while never getting closer to his starting point
6: Slowing down for a red light, stopping at the red light, and going again. This is most definitely not a stop sign or else the motion wouldn't actually stop for most drivers and the graph would hardly be parallel to the x-axis.
7: I wasn't there but I was performing in a show at the same time and I learned that your mind can play tricks on you; we usually do the show at night, I assumed it was nighttime during the show and was surprised that it was just after lunch time when we finished, in reality...
8: Why does my banana get brown so fast if I carry it in my bag, whereas it would stay yellow if I left it on my counter at home?
lecture preflight 06
1: 4
2: 2
3: walking foward and then turning around and walking back to the starting point at a constant speed.
4: Big Joe accelerated his 18-wheeler.
5: First, Big Joe accelerated and drove at that speed for a little while. Then Big Joe accelerated again.
6: After you have been driving, you slow down to a stop at a red light. Then when the light turns green, you accelerate again.
7: I learned that dry ice works in the same way as a puck on an air-hockey table.
8: The "Rockin Roller Coaster" at Disney World accelerates up to 60 mph in an incredibly short amount of time (making the ride awesome). How do they get something so big to accelerate so fast?
lecture preflight 06
1: 4
2: 2
3: throwing a ball into the air
4: He started off slowly and accelerated
5: he started quickly then slowed down to a stop, then he started running.
6: slowing down to a stoplight and then accelerating
7: This lab was basically review because I learned this last week in Math 117. In that class we used motion detectors that connected to our graphing calculators so we could measure things more accurately and do more complex graphs. You should borrow them, they are fun!
8: why do cell phones make computers, tvs and car radios make that buzzing sound when they are close to them?
lecture preflight 06
1: 4
2: 2
3: walking from the couch to the TV and back to the couch
4: Big Joe started his 18 wheeler and accelerated
5: Big joe started his car, accelerated, stopped
6: A car is driving and slows and stops at a stop light and then speeds up again
7: you can touch dry ice with your skin and not get hurt
8: do you burn less gas on the interstate?
lecture preflight 06
1: 4
2: 2
3: A baseball that you throw far and in the air.
4: In this graph, Big Joe started off going slow and then progressively started going very fast.
5: Big Joe was going very fast, then slowed down for a little bit, then started to go very fast again.
6: My car was stalling for a little bit, then stopped, then I got it going and sped away.
7: I enjoyed learning the difference between distance and displacement. Although one would think that is an easy concept, it was interesting to go into depth with it.
8: how far can you throw a baseball in a straight line before it begins to fall?
lecture preflight 06
1: 2
2: 4
3: Throwing a ball in the air, from the time it leaves your hand to when you catch it again would make a graph like the one above.
4: He started off slow and then accelerated.
5: He accelerated, then went at a constant speed for awhile, then accelerated again.
6: Pulling out of the drive way, reversing and changing direction, and then accelerating down the street.
7: I learned how dry ice worked and how it is much like an air hockey table. I found it very interesting that there is a layer of air between the solid and a surface that makes it react and move the way it does.
8: What would a distance/time graph look like for a roller coaster? I think it would be interesting to see how velocity changes during a 30 second to minute long roller coaster ride. I can imagine it would vary greatly.
lecture preflight 06
1: 4
2: 2
3: Running around a track because after you run a lap you have traveled a distance of 1/4 mile but you start and stop in the same place so your displacment is zero.
4: Big Joe accelerated in his 18 wheeler to make graph a.
5: Joe decreased his speed and then he came to complete stop and then evenetually accelerated again.
6: this could be someone slowing down as the see a yellow light. Then stopping at a red light and then accelerating at the green light.
7: I learned how to graph and interepret graphs for different kinds of motion.
8: Why do cameras make us look fatter?
lecture preflight 06
1: 4
2: 2
3: Walking straightforward and then turning around and walking back.
4: He pressed on the gas to accelerate the car slowly at first but constantly pressed it harder so the car went faster.
5: He was driving at constant seed, then stopped and then drove again at constant speed.
6: This car slowed down (braked) and came to a stand still, then sped up at a constant rate. The car probably stopped at a stop sign or red light.
7: I learned that it is harder to walk at a consistent pace than one may think and that people are very prone to making errors when timing.
8: How fast does a rocket go when at full speed leaving the Earth's surface?
lecture preflight 06
1: 4
2: 2
3: starting from one point and then coming back to the same poit using the same path
4: he increased speed with dist
5: he increased speed then stopped then increased again
6: slowing down, stopping and then speeding up
7: dry ice was cool
8: is dry ice made of co2? can N2 be frozen ever realistically?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball in the air
4: He started at a certain speed and then then gradually sped up
5: Big Joe began to accelerate at a constant speed, reached a certain point and stayed there for a little bit, then decided to go even faster
6: A light turned yellow so a car slowed down, then stopped at the light which turned from yellow to red, then once it turned green, the car sped up
7: the sweet airhockey looking puck
8: How heavy is the wheel on the Price is Right?
lecture preflight 06
1: 4
2: 2
3: If you were to bounce a ball and have it return to your hand or throw a ball in the air.
4: Big Joe is accelerating. He put the pedal to the metal.
5: Big Joe accelerated at a constant speed, then braked. Sat there for some period of time and then accelerated
6: This would be like backing out of a parking spot. You start by going in reverse. then you slow down, stop, wait, and then accelerate.
7: The if you had a stack of all the possible bingo cards and each one was one gram it would weigh the same as the Earth.
8: If motors work by using comnustion, why do we not have a motor that can work by burning anything?
lecture preflight 06
1: 4
2: 3
3: Throwing a ball up in the air.
4: He started going slow and as time passed he sped up.
5: He started off going fast, then slowed down and came to a stop. He then started off going slow again and sped up at the end.
6: The graph starts off by going backwards in distance (in the negative) so this graph probably represents some one going in reverse, stopping to change the car to "drive" and then driving off and accelerating.
7: I learned that I actually did know how to guess what the graph would look like for an accelerating object and then later an object coming to a stop.
8: I have a touch lamp on my desk, if I try touching it with an object nothing happens, but when I touch it with my finger/hand it'll turn on and off. Why?
lecture preflight 06
1: 4
2: 2
3: The simple of action of throwing and catching a ball could make a graph similar to the one above.
4: In order to make graph a Big Joe sped up/accelerated over time.
5: In order to make graph b Big Joe slowed down his speed and then he gradually picked it up.
6: Someone is probably slowing down their speed for a red light and then gradually picking it up once again when the light turns green.
7: One interesting thing I leaned in lab this week had to do with displacement.
8: Why in graphing is time always on the x-axis? Is it possible for it to be graphed on the y-axis?
lecture preflight 06
1: 4
2: 2
3: Walking to the mailbox and picking up the mail, then walking back to your house.
4: He sped up and kept speeding up
5: He sped up, then traveled at the same speed for a little while, then sped up some more
6: You are driving along, see a cop and slow down--then maintain that speed for a while (let's say till the copper leaves the area), then you speed up again and cruise down the highway.
7: Dry ice floats on air created by itself! Like air hockey!
8: What is deja vu?
lecture preflight 06
1: 4
2: 2
3: Walking to the teachers desk, putting down a paper and returing to your seat.
4: Big Joe increased his speed as time went on.
5: Big Joe started at a fast speed, began decreasing his speed at a constant rate, and then began to increase his speed at a constant rate.
6: The person came to a stop light, slowed down, stopped and waited for the light to turn green, and then steadily increased the speed.
7: I learned the difference between displacement and total distance traveled. I think that was a good way to describe it.
8: What does plaque do to your teeth?
lecture preflight 06
1: 4
2: 2
3: Throwing an eraser in the air.
4: He began by driving slowly and then sped up towards the end.
5: Began fast and then eventually slowed to a stop and began to speed up again towards the end.
6: When coming to a stop sign, you slow down and then actually stop the car. After that you gradually increase the speed of the car.
7: The relationship of slope and velocity.
8: I work at a coffee shop, and I noticed that a liquid chocolate base separated from powdered malt before I made a milk shake, why is this? Once the milk shake was made, they were no longer separated.
lecture preflight 06
1: 4
2: 2
3: hitting a golf ball
4: accelerated. as time passes, his speed was faster and faster
5: in the middle of his trip he stopped, causing the graph to flatten out, and then he started again
6: you back up out of your garage, stop to change gears, and then drive forward
7: dry ice sort of floats on a layer of gas
8: how is dry ice created
lecture preflight 06
1: 4
2: 2
3: Throwing a ball straight up and catching it again.
4: Big Joe accelerated
5: Big Joe is driving at a constant speed. Then he slows down until he stops and then he accelerated.
6: First the car is driving backwards and stops. Then it accelerates and drives at a constant speed.
7: That dry ice skips the liquid phase and goes right to a gas.
8:
lecture preflight 06
1: 4
2: 2
3: Something being thrown into the air, and falling to the ground.
4: He started slowly and accelerated
5: he started slowly, stopped for awhile, and then drove quickly
6: Parking and then starting again? or making a turn?
7: dry ice pucks are kind of like air hockey pucks, except the movement comes from the puck and not the table
8: Why is it that some people are always cold while others are always warm? Also, why do my lips turn blue/purple when it's really cold out?
lecture preflight 06
1: 4
2: 2
3: I'm a little confused....through an eraser in the air like we did in lab would make i graph that looked like that or y=x^2 makes a parabola...which is the shape.
4: He started slower and then sped up!!!
5: He started slow, sped up, leveled out at a consisten speed and then sped up again.
6: You could driving on a highway going a constant speed and then have to get off at a ramp so you slow down untill you merge onto the next highway and can speed up again.
7: That velocity and speed are NOT the same!
8: Can dry ice burn your fingerprints off??
lecture preflight 06
1: 4
2: 2
3: Throwing a ball up
4: increased his speed
5: slowed down and then sped up
6: backing out of a parking spot and then pulling away
7: dry ice moves the way it does do to the ice turning immediatly into gas, producing a layer of gas between the dry ice and the surface, reducing friction
8: If weather interferes with signals from satellites, how do they still work such as with tv's.
lecture preflight 06
1: 4
2: 2
3: Walking three meters forward and then walking three meters backward to the spot you began from.
4: He speed up, increasing his velocity as he went.
5: He began at a relatively constant speed, then begin to slow down. He then stopped for a period of time and then increased speed again.
6: Backing it out of a driveway (hence the reverse in distance), stopping, and then driving away forwards.
7: The way that dry ice floats on the floor so that is glides easily--understanding how that worked is really interesting.
8: Could someone make dry ice?
lecture preflight 06
1: 4
2: 3
3: Throwing a ball in the air.
4: He drove the 18-wheeler slow at first, and then drove it faster.
5: Drove real fast at first, then slowed down, and finally sped up again.
6: When changing lanes on the road?
7: It was neat learning about speed and graphing, but I would have to say that learning about how dry ice moves was the most interesting. It is so cool how it goes straight from a solid to a gas, and when placed on the floor it is able to move smoothly b/c the floor heats up the dry ice to form a layer of gas between the floor and dry ice (creating no friction).
8: What is dry ice used for?
lecture preflight 06
1: 4
2: 2
3: Nothing. The displacement means that it didn't move in totality.
4: Big Joe moved slower as the distance increased.
5: Joe moved and then leveled off with the same speed for a bit, and then moved quicker again.
6: He moved and then slowed down for a bit and then increased distance more than spead.
7: The distance versus time that things can move in.
8: What exactly is liquid ice?
lecture preflight 06
1: 4
2: 3
3: walking up a hill to the top and then continuing down the hill back to the bottom
4: he drove slowly at first and then quickly increased his speed toward the end
5: he drove quickly at the beginning, slowed down a little in the middle and then drove quickly again at the end
6: backing your car out of a parking spot, turning the wheel to straighten out the car and then beginning to drive forward
7: that dry ice goes directly from solid to gas, there is no liquid form
8: why do things sometimes explode in the microwave?
lecture preflight 06
1: 4
2: 2
3: If someone walked forwards 3 meters, paused, and walked backwards 3 meters they would produce a graph like the one above.
4: He accelerated his 18-wheeler, speeding up quickly.
5: He went forward at a constant speed, then slowed to a stop. Then he started going forward again, moving at the same speed he was before.
6: You slow to stop at a red light, wait for it to turn green, and then accelerate again.
7: I thought it was interested when we recorded the motion of the dry ice puck, as I would think that it would not have much friction and continue sliding along the floor, but it slowed down quite quickly which I did not expect.
8: Do identical twins have identical fingerprints?
lecture preflight 06
1: 4
2: 2
3: running/jogging/walking to a destination and then returning home or to the starting point.
4: He started to accelerate and was going faster towards the end.
5: He started going at a decent pace and slowed down and came to a stop then started back up again going fast.
6: Coming to a red light and having it turn green which is showing acceleration at the end.
7: That dry ice floats like on an air hockey table because it never melts and just goes straight from a solid to a liquid.
8: how does one way glass work?
lecture preflight 06
1: 4
2: 3
3: Throwing a ball into the air and catching it again.
4: He started out slow and then sped up.
5: He started out fast, slowed down, and then sped up again.
6: Stopping at a stop sign.
7: Besides all of the interesting things I learned about velocity, I learned that as dry ice heats up, it never turns to a liquid, but rather right into a gas.
8: How does a microwave work?
lecture preflight 06
1: 4
2: 2
3: Throwing an object in the air
4: Big Joe started slow, then accelerated.
5: Big Joe accelerated, then stopped, then accelerated again.
6: Stopping at a red light, waiting, then accelerating when the light turns green.
7: I learned that dry ice is a good way to show deceleration.
8: How do cranberriers grow?? Do they grow on water, a vine, or what???
lecture preflight 06
1: 4
2: 2
3: throwing a ball up in the air
4: started slow and then sped up
5: started with a constant velocity, then slowed down and stopped and then started up again with a constant velocity
6: reverse, stop, go forward
7: how dry ice is stored
8: why does it hail before tornadoes...or is that just a myth in itself?
lecture preflight 06
1: 4
2: 2
3: A boomerang.
4: He increased his velocity and did not travel at a constant rate.
5: He started at a relatively constant speed, then he stopped to take a break, and then sped back up and traveled at a constant speed.
6: approaching a stoplght or stopsign.
7: When an object speeds up or slows down the graph curves and that curve is a portion of a parabola.
8: How can I incorporate physics into a biology lesson when teaching?
lecture preflight 06
1: 4
2: 3
3: This graph could be showing a ball being thrown into the air and coming back down to the ground.
4: Joe started walking slowly and increased his speed to a jog.
5: Joe was running and took a break and then continued running at his previous pace.
6: This could be the graph of a car slowing down and stopping at a stop light and then accelerating.
7: And object's displacement and distance traveled are two different measurements.
8: How do microwaves work to heat food so quickly?
lecture preflight 06
1: 4
2: 3
3: The object speed up (hit peak) and then slowed down. (erase example)
4: Joe speed up as he went.
5: Joe took off, slowed down to a stop and then speed up.
6: Backed out (reverse) then park to drive.
7: How to work a stop watch!!!
8: What makes fire burn?
lecture preflight 06
1: 4
2: 3
3: An object went forward and then backwards
4: He starter going slow then eventually sped up.
5: He started steadily, then slowed down for a bit, but then stopped for a while then sped up once again.
6: back up, stop, and then speed up again.
7: some of the lines that we drew on the graphs this week were actually part of parabolas.
8: How often is science used to find evidence in crime cases?
lecture preflight 06
1: 4
2: 2
3: throwing a baseball in the air
4: speed up
5: speed up, slow down, speed up
6: stopping at a stoplight
7: nilla wafers are not as good as Matt's chocolate chip cookies!
8: How many people would it take to hold hands and circle around the earth one time?
lecture preflight 06
1: 4
2: 3
3: Hitting a hockey puck down a hallway.
4: His car accelerrated faster over time.
5: He slowed down, travelled at a steady pace, and the sped up.
6: Backing out of a parking space.
7: I did not know that slowing down made an upside down curve.
8: I heard that there is a certain rare kind of wave that can sink a cruise ship. Is this true?
lecture preflight 06
1: 4
2: 2
3: walk to a point, turn around, and return to the starting point. or throw a ball off a wall, catching it at the point of launching.
4: accelerate
5: slow his speed, keep at a constant rate briefly, then accelerate
6: stopping at a red light.
7: dry ice sublimates
8: how do the inside of incoming water pipes stay relatively clean after many decades? Is the entire system that well sealed that we rarely drink dirty water?
lecture preflight 06
1: 4
2: 2
3: walking to a store and then walking home.
4: accelerated and increased his distance from the origin
5: started driving, stopped at a stoplight or truckstop, then began to go again.
6: stopping and reversing (out of a driveway, etc.) and then going again.
7: that dry ice creates a layer of air when it's melting that lets it slide easily on flat surfaces.
8: How is dry ice made, like where do you get it and who produces it?
lecture preflight 06
1: 4
2: 3
3: Slowing down.
4: Big Joe sped the 18-wheeler up.
5: He sped up, then kept the speed constant (didnt speed up, or speed down) and then sped up again.
6: Turn a corner (left or right) You slow down before reaching the turn, but then keep your speed going (constant) and then speed up after the turn.
7: A hockey puck frozen with liquid nitrogen slows down pretty quickly when slid across the floor.
8: How do thermoses keep coffee warm for so long?
lecture preflight 06
1: 4
2: 2
3: throwing a boomerang
4: Big Joe started off slow and then increased his speed. When he increased his speed, he went farther in less time.
5: Big Joe drove his 18-wheeler at a constant speed at first and then stopped and didn't move anywhere. He then drove at a constant speed again.
6: This could be backing out of your driveway in your car. At the point where the distance and time stay constant could be when you change gears from reverse to drive.
7: I never knew dry ice doesn't melt. I always thought that was the reason why it steams, but it's not.
8: How is dry ice formed?
lecture preflight 06
1: 4
2: 2
3: throwing a ball straight up
4: he is accelerating from a stop, pushing down on the gas maybe all the way
5: he was stopping at a stop sign
6: pulling out of the driveway or a parking spot
7: dry ice is frozen gas.
8: why do different gasses burn at different temps?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball in the air and catching it. The ball returns to your hand (zero displacement) in a certain amount of time.
4: He started slow and then sped up with the 18-wheeler, increasing his velocity as he went along.
5: He started the bike and increased his velocity, then slowed down, and then sped up again.
6: You're driving along and then you see a stop sign. You stop at the stop sign, and then proceed forward.
7: I learned that that a graphing an object with constant velocity should make a diagonal line rising upward and to the right.
8: Can dry ice be used for a hockey rink?
lecture preflight 06
1: 4
2: 2
3: You reach a certain point that you want to reach and then you come down.
4: The farther he went the faster he went.
5: He started by having a positive correlation between distance and time, then staid at a constant speed. Then accelerated again.
6: You speed up, then slow down for stops signs, red lights and pedestrians and then accelerate again.
7: Displacement and distance are two different things.
8: why is snow white?
lecture preflight 06
1: 4
2: 2
3: A ball rolling away and into a wall and the hitting the wall and rolling back.
4: He was driving slower and increased his speed greatly.
5: He was driving fast then decreased his speed, stopped, and then quickly increased his speed.
6: This is someone approaching a stop sign, so they decrease their speed and stop. Then they increase their speed as they drive away.
7: When dry ice is it room temperature it does not rest on the floor or surface it is on, but on a layer of gas that results from it being warmed up.
8: Is there any liquid heavier than water?
lecture preflight 06
1: 4
2: 2
3: shooting a cannon from the ground straight up into the air, then watching the cannon fall back to the ground.
4: Big Joe started at 0 mph and accelerated.
5: Big Joe was driving at a steady pace, had to stop to pick up a hitchhiker, then drove off again with his new friend.
6: You start at your house, drove to school, parked for a while, and drove away.
7: human error is a huge factor in the experiments we did.
8: How do sleeping pills work? What does that drug do to you?
lecture preflight 06
1: 4
2: 2
3: a ball that is tossed into the air and then returns to where it came from
4: He accelerated.
5: He accelerated then stopped then accelerated again.
6: Slowing down as you come to a red light, stopping at the light, then accelerating when it turns green again.
7: Dry ice doesn't melt.
8: How long does it take for dry ice to evaporate?
lecture preflight 06
1: 4
2: 2
3: A racecar speeding up on a track and slowing down at the same rate.
4: Big Joe drove his 18-wheeler and continually accelerated the speed
5: Big Joe started driving his 18-wheeler at 60 miles an hour, gradually decreased to 30 mph, then accelerated up to 90 mph.
6: Park at a red light.
7: Dry ice hockey pucks slow down when thrown down a hallway.
8: What other liquids besides oil float on water???
lecture preflight 06
1: 4
2: 2
3: A person walking forwards and then backwards could make a graph like the one above.
4: To make graph A, Big Joe increased his speed as he walked away, thereby increasing the total distance he traveled as time passed.
5: To make graph B, Big Joe gradually increased his speed over time, maintained that speed for a short amount of time, and then sped up again at the end to create the upward slope of the curve.
6: Stopping at a red light and then going again.
7: Learning about distance displacement was something interesting that I learned in lab this week.
8: What is the fastest recorded time for a one-mile run currently on record?
lecture preflight 06
1: 2
2: 4
3: A spring, A swing, or anything with harmonic motion.
4: He Accelerated in the forward direction.
5: He slowed to a stop, then accelerated away.
6: Pulled the car out of the parking space. a.k.a.- he put the car in reverse, backed up, stopped, and then drove away in the forward direction.
7: Difference between distance and displacement.
8: How does it sleet/hail when the air temperature is greater than 32 degrees?
lecture preflight 06
1: 4
2: 3
3: Throwing a frisbee?
4: He started off going slow and then accelerated.
5: He started off accelerating, stopped, and then accelerated again.
6: I think it is backing out of a parking spot.
7: I learned that the hockey ice puck actually sits on a layer of gas, because it is turning into gas at a rapid rate.
8: Are there any other solar systems besides the Milky Way?
lecture preflight 06
1: 4
2: 2
3: Walking back and forth
4: accelerate
5: slow down and then accelerate
6: Stop at a stop light
7: How to read graphs of distance v. time
8: What is dry ice?
lecture preflight 06
1: 4
2: 3
3: Throwing a ball up then having it come down at the same speed.
4: Big Joe sped the 18-wheeler up.
5: He sped up, then kept the speed constant (didnt speed up, or speed down) and then sped up again.
6: Turnig a corner (left or right)in a car. You slow down before reaching the turn, but then keep your speed going (constant) and then speed up after the turn.
7: I learned that dry ice dissolves into a gas that has a cushion untder it, while normal ice becomes a liquid.
8: When you travelling in a airplane, why do objects on the ground look like they are still or moving very slowly?
lecture preflight 06
1: 4
2: 2
3: throwing a ball up that falls back down
4: speeding up on his 18-wheeler
5: speed up, stop for a while (possibly stop sign or traffic light), then speed up again
6: backing out of a driveway
7: the term displacement and how it refers to distance....i didnt know that if an object returns to its original position then its displacement would be zero
8: how do rollercoasters work?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball in the air and catching it.
4: He started slow and then sped up.
5: He moved, stopped then started moving again.
6: Reversing out of a driveway.
7: I learned that it's not that easy to throw an object in a straight line.
8: How come you can breathe out from your nose while underwater without water burning your nose?
lecture preflight 06
1: 4
2: 2
3: to throw a ball up in the air that falls back down
4: joe is speeding up while driving
5: joe is speeding up, then pauses and stops probably at a traffic light, then speeds up again
6: Reversing out of a driveway
7: I've learned most of this before in my prior physics classes, but i've always loved calculating velocity and determining distance of objects in a later period of time. Those are my favorite physics word problems!
8: If medicines only cause temporary relief for symptoms (like fever), what happens to the bacteria inside of you that causes those symptoms? Does temporary relief mean not all the bacteria is killed off?
lecture preflight 06
1: 4
2: 3
3: Throwing an eraser up in the air.
4: He started accelerating slowly and then began to speed up.
5: He started and a constant speed, then stopped for a while, and finally continued at a constant speed again.
6: Approaching a red light. First you slow down, then come to a complete stop, and when the light turns green, you accelerate again.
7: Dry ice does not melt into a liquid. It goes from a solid to a gas.
8: How is it that photo messages work? How is it possible for me to take a picture on my phone and then send it to someone 150 miles away?
lecture preflight 06
1: 4
2: 2
3: throwing a ball up in the air
4: He accelerted.
5: He moved at a constant velocity, then stopped, then began moving again with acceleration.
6: This could be a car approaching a red stop light or stop sign where it slows down, stops, and then accelerates.
7: the difference between displacement and distance
8: Why are the waves and tides in the ocean?
lecture preflight 06
1: 4
2: 3
3: throwing an eraser in the air.
4: He started the 18-wheeler off at a slower pace, and then gradually made the speed increase.
5: He he the 18-wheeler drive and slowly increase, then stay at the exact same speed and then increased the speed gradually again.
6: This is when you are about to arrive at a stop sign. You slow down, come to a stop, and then increase your speed again.
7: I learned a lot about velocity and comparing different objects velocity on graphs.
8: How do airplanes work?
lecture preflight 06
1: 4
2: 4
3: When you throw an eraser in the air, it first starts when it leaves your hand; then it goes up and then eventually falls.
4: I think that Big Joe is just speeding up because the graph shows acceleration.
5: I think he is began driving at a constant speed and then stopped, and then continued at a constant speed.
6: Maybe he was backing up, stopping and then speeding up because the distance is getting smaller... meaning he is moving towards something, but them moving away at the end.
7: I learned that speed and velocity are used interchangeably... they mean the same thing because speed tells you how fast an object is moving and velocity tells you speed but adds direction.
8: How does pressure make your ears pop?
lecture preflight 06
1: 4
2: 3
3: throwing a ball up in the air
4: he increased his velocity (or sped up)
5: he slowed down to a stop, then started back up again
6: slowing down to a stop at a red light, then speeding back up to drive away
7: i didnt get to go to lab this week because I have been sick since last week
8: Why do germs exist?
lecture preflight 06
1: 4
2: 3
3: throwing a ball up in the air
4: sped up while moving from the origin
5: sped up, slowed down, then sped up again while moving from the origin
6: approaching a stop sign stopping, and then accelerating again after stopping
7: i can't throw a basketball as straight as i thought i could....
8: how do airplanes stay in flight?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball.
4: He accelerated
5: He accelerated, then continued at a fixed rate, then accelerated again
6: Slowing down for a stop light, stopping at the stop light, then accelerating when it turns green.
7: I was reminded of what a parabola is and how they are created! :)
8: Why do Peeps expand in the microwave?
lecture preflight 06
1: 4
2: 2
3: A yo-yo goes out to a certain distance before it comes back to its orginal position.
4: Joe sped up.
5: Joe started fast and then slowed down. It looked like he stopped and then he sped up again.
6: It looks like this car might be slowing down. Then it is stopped at a light and then accelerates.
7: I learned how to collect data to make a graph that can show the whether something is increasing in speed or decreasing.
8: Why do leaves change colors?
lecture preflight 06
1: 4
2: 2
3: throwing an eraser in the air as if youre throwing it to another person, but letting it fall to the ground instead.
4: sped up
5: sped up, stayed constant, then sped up again
6: stopping at a stop sign because you slow down and stop long enough to read "S-T-O-P, STOP" (or so you're supposed to!) and then accelerate.
7: learned more about air hockey and how the puck just "floats" around
8: when filling up a glass of water from the sink, why does the water look all grey/foggy initally but after a few seconds it will clear up?
lecture preflight 06
1: 4
2: 2
3: Throwing something up into the air and waiting for it to fall down.
4: He started driving slow and then gradually sped up.
5: He started off fast, slowed to a stop, and then sped up again.
6: Stopping at a stop sign
7: I learned why dry ice floats around on a table (or any sort of warm surface).
8: How do you get dry ice? What is it made from?
lecture preflight 06
1: 4
2: 2
3: Just walking slow at first but then running.
4: Big Joe drove slow at first, and then accelerated faster.
5: Big Joe started with an acceleration, and then came to a constant speed or stop, and then accelerated again.
6: You are approaching a stop sign, and so you slow down your car and come to a stop. Then, you accelerate your again to get it going after you stop.
7: I learned that touching dry ice does not cause your hands to burn.
8: Why does dry ice not feel wet when you touch it, unlike regular ice.
lecture preflight 06
1: 4
2: 2
3: A ball thrown by someone straight into the air.
4: He started out moving his 18wheeler very slow and then increased his speed.
5: He started moving very fast and after he reached the finish line, he returned back while increasing his speed.
6: This could be when driving, you come to a stop sign or a stop light. As soon as you pass it, you speed up again.
7: Dry ice holds very minimal friction. I thought that it would be used as a frictionless object.
8: How does a parachute or a hot air balloon work?
lecture preflight 06
1: 4
2: 3
3: bounging a ball against the wall and having it come back to you
4: He continued forward at a constant velocity
5: He moved his 18-wheeler forward, stopped, and then continued moving forward
6: stopping at a stop light or stop sign
7: i learned the difference between displacement and distance traveled
8:
lecture preflight 06
1: 4
2: 2
3: walking forwards 3 meters then briefly slowing to a stop and then walking back 3 meters
4: accelerating.. he started slow and then got faster
5: he started at a constant speed then stopped for a little bit and then started again at the same speed
6: stopping at a red light then when it turns green going reallllllly fast!
7: that the ice puck did not make it all 10 intervals
8: what makes junk food bad for you?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball up in the air
4: Increased his speed as he went
5: Started, stopped, and started again
6: Go in reverse, stop the car from moving so you can change to drive, and then drive forward
7: Dry ice will shatter if it hits a wall hard enough
8: Why is it still so cold?
lecture preflight 06
1: 4
2: 2
3: walking forward and then walking backward
4: he sped up as he walked away
5: Big Joe went a constant speed for a short period of time, maintained that speed, and then sped up at the end to create the upward slope
6: passing a car in front of you
7: the way graphs change and look when you compare distance and time
8: what are stars made of?
lecture preflight 06
1: 4
2: 3
3: walking toward an object and then walking back
4: he started out slowly and then gradually accelerated
5: joe started off quickly and slowed to a stop. then he gradually accelerated again.
6: backing out of your drive way, stopping, slowly turning around and then driving away
7: i learned that why dry ice "floats"
8: how does gravity work?
lecture preflight 06
1: 4
2: 2
3: The graph could be of someone throwing a ball in the air and catching it.
4: Big Joe started off going slow, then got faster.
5: Big Joe started fast, then slowed down. Then he picked up his speed again.
6: I think it is reversing your car out of a parking spot.
7: I learned how to calculate displacement.
8: How do cell phones work?
lecture preflight 06
1: 4
2: 2
3: Bouncing a ball
4: He starts running and then runs faster(accelerates).
5: He starts running, slows down, stops, and then speeds up again.
6: Your driving backwards, you slow down and eventually stop. Then you start driving at a faster speed.
7: The process of sublimation(going from a solid direclty to a gas).
8: What is the main source of electricity? In other words, how does it start and how does it travel?
lecture preflight 06
1: 4
2: 2
3: Throwing a baseball at an upwards angle.
4: Started off slow and and a consistent rate started to speed up.
5: Started off riding at a constant speed, stopped for a period of time, then continued at that constant speed.
6: Slowing down at a yellow light, stopping for the red light, then speeding back up at a green light.
7: Dry ice goes directly from a solid to a gas.
8: How do you make food coloring?
lecture preflight 06
1: 4
2: 3
3: Kicking a soccer ball could make a graph like the one above.
4: Big Joe rode his 18-wheeler slow and then he increased his speed.
5: Big Joe rode his 18-wheeler fast and then stopped for awhile and then continued riding his 18-wheeler.
6: This graph could be someone driving and getting caught in traffic. Your speed starts to decrease when you hit the traffic, then you sit in traffic for awhile, and finally you get out of traffic and increase your speed.
7: I learned that velocity tells the direction of the moving object.
8: What causes storms?
lecture preflight 06
1: 4
2: 2
3: tossing a ball into the air and catching it
4: He started slow in graph A but increased his speed over time.
5: He started out driving at a rate but then stopped and then proceeded to start again.
6: I have no idea.
7: how fragile frozen liqquid nitrogen is.
8: Why does the Leaning Tower of Pisa lean?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball into the air.
4: Big Joe increased his speed.
5: Big Joe first slowed down then began to speed up.
6: Approaching a stop light or stop sign, having to stop, then accelerating again.
7: Dry ice is somewhat fragile. If you try to stop it with your foot so that it won't run into the wall, there is still a chance of it breaking (which it did).
8: Why do we have daylight savings time?
lecture preflight 06
1: 4
2: 2
3: Throwing a ball up and down, throwing an eraser in the air
4: He began by going slow then speeded up
5: He began fast then slowed to a stop then started again slow and speeded up
6: Coming to a stop at a stop light, stop sign, etc. and then starting again.
7: The effect that velocity has on slope
8: This is more a technology question - but how does wireless internet work, is it similiar to how FM radios work?
lecture preflight 06
1: 4
2: 2
3: Walking 3 meters forwards and then 3 meters back to where you started would make a graph like the one above.
4: In graph A, Big Joe started driving slow and then began increasing his speed.
5: In graph B, Big Joe drove at a constant speed, stopped briefly, and then began driving again at a constant speed.
6: I think the graph shows someone slowing down, stopping, and then speeding up.
7: I learned that dry ice is a solid form of a gas, and that in the puck form, it's like air hockey and glides across the floor.
8: Why do some people twitch in their sleep?
lecture preflight 06
1: 4
2: 3
3: Throwing an object in the air.
4: Started slow and then sped up.
5: Went at a constant speed, stopped for a bit, then went to his same speed.
6: parking
7: I learned that dry ice can travel like a hockey puck.
8: How does a computer work?
lecture preflight 06
1: 4
2: 2
3: throwing a ball
4: slammed on the accelerator
5: start and stop, and start again
6: backing out of your driveway
7: i was reminded what the difference is between distance and displacement
8: will the sun explode when it runs out of energy?