| 1. |
How
much salt does it take to float an egg? |
21. |
Do
bigger seeds produce bigger plants? |
| 2. |
What
kind of juice cleans pennies best? |
22. |
Which
materials absorb the most water? |
| 3. |
Which
dish soap makes the most bubbles? |
23. |
Do
wheels reduce friction? |
| 4. |
Do
watches keep times the same? |
24. |
What
materials dissolve in water? |
| 5. |
On
which surface can a snail move faster -- dirt or cement? |
25. |
What is
the soil in my schoolyard made of? |
| 6. |
What
brand of raisin cereal has the most raisins? |
26. |
Does
holding a mirror in front of a fish change what a fish does? |
| 7. |
How can
you measure the strength of a magnet? |
27. |
What
color of birdseed do birds like best? |
| 8. |
Do ants
like cheese or sugar better? |
28. |
What
holds two boards together better --a nail or a screw? |
| 9. |
Can the
design of a paper airplane make it fly farther? |
29. |
Will
bananas brown faster on the counter or in the refrigerator? |
| 10. |
Do
roots of a plant always grow downward? |
30. |
Does
temperature affect the growth of plants? |
| 11. |
Can you
tell what something is just by touching it? |
31. |
Do mint
leaves repel ants? |
| 12. |
What
kind of things do magnets attract? |
32. |
Does a
ball roll farther on grass or dirt? |
| 13. |
What
foods do mealworms prefer? |
33. |
Do all
objects fall to the ground at the same speed? |
| 14. |
How
long will it take a tsp. of food dye to color a glass of still
water? |
34. |
Does
anyone in my class have the same fingerprints? |
| 15. |
Does a
bath take less water than a shower? |
35. |
Which
travels faster -- a snail or a worm? |
| 16. |
Can you
tell where sound comes from when you are blindfolded? |
36. |
Which
paper towel is the strongest? |
| 17. |
Can
plants grow without soil? |
37. |
Can
plants grown from leaves? |
| 18. |
Does
warm water freeze faster than cool water? |
38. |
Which
dissolves better in water -- salt or baking soda? |
| 19. |
In my
class who is taller --boys or girls? |
39. |
Can
things be identified by just their smell? |
| 20. |
Do
different types of apples have the same number of seeds? |
40. |
With
which type of battery do toys run longest? |
