- I cannot think of one for this week. I am sorry.
- Black holes... what are they?
- I learned before that icebergs are huge underneath the water, and the part we see above the water is pretty small (comparatively). How does that work?
- what makes a rainbow happen?
- I can't think of any at this moment.
- Why do windows have condensation on them in the winter?
- I was driving home from Indiana and all of a sudden the freezing rain turned into snow. Why the sudden change?
- Why do vocal chords get tired after repeated use?
- Right next to my dorm they just put in "UIUC's first rain garden". What is a rain garden? Is there a point to it?
- Does a person's diet affect hair growth?
- Why does alcohol not freeze
- Why can certain fish/sea creatures only survive in salt water and others can only survive in fresh water, and some both?
- I would like to know in more detail the physics of cruise ships. They are absolutely huge, why don't they sink?
- Why do birds sing?
- How deep is the deepest part of the ocean?
- would pop ice cubes float?
- How do you get a piece of paper from a tree?
- Why does the color of a shirt change when you wash it with other colors? Is there a way to prevent this from happening?
- How does a submarine submerge itself underwater?
- I have a touch lamp on my desk, what is it that makes the light turn on when I touch it?
- I m still having a little trouble with Archimedes Principle. Can you give a clear cut definition of what exactly it is?
- How do icebergs relate to what we did in lab this week?
- How is it that lotion makes your skin less dry??
- When soaps say the word, "anti-bacterial" what exactly does this mean?? If you use that particular soap you are killing off all bacteria? What is put in soap, that makes it kill germs?
- Ice is less dense than water, but how does that compare to snow? I heard that every 10 inches of snow equal 2 inches of water.
- The pressure underwater. For example, if you were in a car underwater, would you be able to open the door or not?
- How does a dryer sheet prevent static electricity?
- How bad are tanning beds for you and why?
- While chaotic effects in the universe prevail, there must be a state of maximum chaos. What happens if that point is reached?
- If some liquids cannot mix because of different densities (like water and oil) then how do they mix when we bake something or make a mixture (like brownie or cake mix)? How does differing densities effect mixing and cooking and baking?
- How does a lava lamp work?
- How can submarines stay under pressure?

- Is green beer more dense then regular beer?
- I'm not sure if this has to do with science, but why can't you use electronic devices on an airplane until you reach a certain height?
- I thought that in order for there to be a thunderstorm there has to be different air masses of different temperatures, which I thought only usually happened in the late spring, summer, and early fall.. so how come over the weekend in Chicago it was a wintry mix of snow and freezing rain, and there was also thunder and lightning?
- What causes static? and why is it more abundant in the winter?
- Why when you mix baking soda with vinegar does it fizz?
- How does taking vitamins help your body so much?
- how come big ships that i thought were super dense do not sink. how do they make them so they dont
- Why does hair frizz in certain weather?
- How do the chemicals in sun tan lotion block UV rays?
- This might be kind of a crazy question, but how does electricity actually work?!
- Why do you have to let the sink water sit before putting fish into it?
- How does a cruise ship float?
- Best way to walk on ice without slipping..
- What's the difference between a blimp and a hot air balloon?
- Why don't all birds fly south? and why does it seem like some are still migrating.
- What is it in stain removers that take away the stain, without effecting the material to which it is being applied?
- Why doesn't vodka freeze?
- How do ice skates work?
- What is the density of Coke?
- where do seeds come from?
- Why is it so humid during the summers?
- What is the difference between black ice and ice that "looks like ice"?
- How do lava lamps work?
- What is the best way to construct a boat out of clay and fit the most hex nuts in it? Is there a specific model that holds the most and why that model?
- What exactly makes popcorn pop? Is it a set temperature?
- why does it sleet when the weather is warmer than 32 degrees?
- What does some snow melt faster than other snow, especially when both piles of snow are in the same area?
- how does a lava lamp work?
- is it true, that if you eat after a certain time or before you go to bed you gain more weight?
- How do lava lamps work?!
- Why does our voice change when we use helium?
- How much energy do we need on a daily basis to perform necessary tasks?
- When I look through a glass of water, I notice that everything I see through the glass is reversed. For example if there is a person behind the glass turned and facing my right, it looks like that person is facing to the left if I look through the glass. Why does this happen?
- does sleeping after a meal lead to weight gain? if so why?
- How are telephones able to transfer calls all over the country? I do not understand how the wires, etc. work to make people able to talk over a telephone.
- Why do ears pop?
- how do martial artists and gymnasts seem to defy gravity in some of their stunts?
- how does an airplane stay in the air?
- I'm sitting in the library because the internet/cable is out in my apartment building and I'm surrounded by smelly old books. Why do old books smell so bad?
- How come chameleons can change color depending on what surface they are on?
- how does a lava lamp work?
- What gives something a smell?
- How does heat travel in an insulator?
- how does water evaporate? can all liquids evaporate?
- how long can a car float in water before it starts to sink
- Why are we tired some days and awake others when we got the same amount of sleep both days?
- Why do fall leaves change color?
- why and how does gravity work?
- How is it possible that humans can float and sink in water?
- Why do lightning bugs leave a greenish yellow glow when they are stepped on?
- ok so diamonds are supposedly coal under pressure are there any other elements, mineral, or materials that do that?
- Why do you blow a fuse?
- How do those plasma balls that make your hair stand up work?
- You claim that you've never broken a microwave but somehow my house has broken two in the last year. One of the girls cooked Easy Mac w/ out the water, could that have broken the microwave?
- How can a huge cruise boat filled with people float?

- How do bluetooth headsets on cell phones work?
- what causes an echo?
--------------------------------------------------------------------------------