| 1. |
How far
does a snail travel in one minute? |
21. |
Does
the color of water affect its evaporation? |
| 2. |
Do
different types of soil hold different amounts of water? |
22. |
Can you
separate salt from water by freezing? |
| 3. |
Will
adding bleach to the water of a plant reduce fungus growth? |
23. |
How
does omitting an ingredient affect the taste of a cookie? |
| 4. |
Does
water with salt boil faster than plain water? |
24. |
Do
suction cups stick equally well to different surfaces? |
| 5. |
How far
can a person lean without falling? |
25. |
Which
student in class has the greatest lung capacity? |
| 6. |
Can you
tell time without a watch or clock? |
26. |
How
much weight can a growing plant life? |
| 7. |
How far
can a water balloon be tossed to someone before it breaks? |
27. |
Will
water with salt evaporate faster than water without salt? |
| 8. |
Does
the shape of a kite affect its flight? |
28. |
Does it
matter in which direction seeds are planted? |
| 9. |
Does an
ice cube melt faster in air or water? |
29. |
Which
cheese grows mold the fastest? |
| 10. |
Does
sugar prolong the life of cut flowers? |
30. |
Do all
colors fade at the same rate? |
| 11. |
How
much of an orange is water? |
31. |
Which
brand of diaper holds the most water? |
| 12. |
Which
liquid has the highest viscosity? |
32. |
In my
class, who has the smallest hands -- boys or girls? |
| 13. |
Will
more air inside a basketball make it bounce higher? |
33. |
Which
kind of cleaner removes ink stains best? |
| 14. |
Does
the color of light affect plant growth? |
34. |
Does a
plant grow bigger if watered by milk or water? |
| 15. |
Does
baking soda lower the temperature of water? |
35. |
Which
brand of soap makes the most suds? |
| 16. |
Which
brand of popcorn pops the most kernels? |
36. |
Does a
baseball go farther when hit by a wood or metal bat? |
| 17. |
Which
brand of popcorn pops the fastest? |
37. |
Do
living plants give off moisture? |
| 18. |
How
Much can a caterpillar eat in one day? |
38. |
Using a
lever, can one student life another student who is bigger? |
| 19. |
In my
class, who has the biggest feet -- boys or girls? |
39. |
What
gets warmer -- sand or dirt? |
| 20. |
Do
plants grow bigger in soil or water? |
40. |
Which
kind of glue holds two boards together better? |