Testable Questions 1. ___ Does the type of liquid affect how fast an ice cube melts? 2. ___ Does the amount of Mentos affect the heights of the pop explosion? (surface tension) 3. ___ Does the type of liquid given to a plant affect its growth? 4. ___ Does changing the size of a paper airplane affect how far it flies? 5. ___ Does the type of paper affect how far an airplane will fly? 6. ___ Does the type of liquid affect how much a penny will corrode in 5 minutes. 7. ___ Does the type of liquid affect how fast a nail will corrode? 8. ___ How does the type of light affect a plants growth? 9. ___ Do artificial sugar attracts ants? 10. ___ What effect does temperature have on the strength of different types of magnets? 11. ___ What is the effect of increased or decreased oxygen a plant receives? 12. ___ Does the direction seeds are planted affect the plants growth? 13. ___ Is there an effect on evaporation on evaporation rates when forming crystals from sugar and sugar substitutes? 14. ___ Does the length of the wire affect the power in the circuit? 15. ___ What materials provide the best insulation? 16. ___ Which electromagnet design is the strongest? (series vs parallel) 17. ___ Which material is the best to keep heat it? 18. ___ Does temperature affect the life of a battery? 19. ___ What material filters oily water the best? (Using evaporation) 20. ___ Will more air inside a basketball make it bounce higher? 21. ___ Does the thickness of a wire affect the power of a circuit? 22. ___ Does an earthworm react to light, partly shade, or darkness? 23. ___ Does surrounding affect an insects eating habits? (blue, red, white) 24. ___ What is the effect of different amounts of chlorine on plant growth – large amount, small amount, none. 25. ___ What is the effect of different amount of air movement on plant growth? 26. ___ Do ants prefer artificial sweetener, natural sugar or hard candy? 27. ___ What is the effect of a magnet field on plant growth? 28. ___ How does the temperature of a tens ball affect the height of its bounce? 29. ___ Which increases your heart rate more? Walking up and down stairs of stair master? 30. ___ Given the same amount of water, how does the pot size affect the amount of time it takes for water to boil? 31. ___ Does the color of a shirt affect the amount of heat it absorbs? 32. ___ Which stays fresher longer? Organic or non-organic fruit? 33. ___ Can people use their sense of hearing alone to tell apart a penny, nickel, dime and quarter? 34. ___ Can blindfolded people tell the difference between tap water and bottle water? 35. ___ How does increasing a ramp affect the a distance a ball with roll? 36. ___ Which kind of gum keeps its flavor the longest? (sugar-free or regular) 37. ___ Does having worms in soil help plants grow faster? 38. ___ How does talking on a cell phone or listening to music affect your reaction time? 39. ___ How does temperature affect a magnet? 40. ___ How does changing the shape of rockets fins change its flight? 41. ___ Does the sun heat salt water and fresh water at the same rate? 42. ___ What is the best insulator to keep ice from melting? 43. ___ Does the color of the feeder affect the amount of birds it attracts?