- 1. What amount of water is best to grow tomatoes?
A) Not testable
B) Testable
A) Not testable
B) Testable
- 3. What makes something float?
A) Testable
B) Not testable
- 4. How well do different materials float?
A) Not testable
B) Testable
A) Not testable
B) Testable
- 6. how does changing the shape of a rocket's fin change its flight?
A) Testable
B) Not testable
- 7. How does the sun heat up water?
A) Not testable
B) Testable
- 8. Does the sun heat salt water and fresh water at the same rate?
A) Not testable
B) Testable
- 9. What happens when something freezes?
A) Not testable
B) Testable
- 10. Do different materials freeze at different rates?
A) Testable
B) Not testable
- 11. What makes cars move?
A) Testable
B) Not testable
- 12. How do batteries work?
A) Not testable
B) Testable
- 13. What makes a magnet attract things?
A) Not testable
B) Testable
A) Not testable
B) Testable
- 15. Which type of battery lasts the longest?
A) Not testable
B) Testable
- 16. Does temperature have an effect on a magnet's strength?
A) Not testable
B) Testable
- 17. What is the best insulator to keep ice from melting?
A) Not testable
B) Testable
- 18. How do lubricants work?
A) Testable
B) Not testable
A) Testable
B) Not testable
A) Not testable
B) Testable
- 21. What combinations of lubricants works best on bicycle wheels?
A) Testable
B) Not testable
- 22. Which detergent removes stains the best?
A) Not testable
B) Testable
- 23. What conditions keeps mold from forming?
A) Testable
B) Not testable
A) Testable
B) Not testable
- 25. What type of food will attract hummingbirds the best?
A) Testable
B) Not testable
- 26. What combination of pulleys will be most efficient?
A) Testable
B) Not testable
- 27. Does light affect the activity of mosquitoes?
A) Not testable
B) Testable
- 28. Do all plants require fertilizer?
A) Not testable
B) Testable
- 29. Will the type of fertilizer used affect pea plant growth rate?
A) Testable
B) Not testable
- 30. Does white sand stay cooler than brown sand?
A) Testable
B) Not testable
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