Science Fair Project Ideas



Science Fair Project Ideas and More

1. What effect does seed size have on the number of seeds that germinate?

2. What effect does gender have on the rate of eye blinking?

3. What effect does age have on the rate of eye blinking?

4. How does temperature affect the blooming of a flower?

5. What effect does gender have on the sense of smell?

6. What effect does age have on the sense of smell?

7. Which brand of hair spray holds hair in place the longest time?

8. What brand of toilet paper decomposes the fastest in water?

9. What brand of detergent has the most effect on stain removal from clothes?

10. Which type of cloth is the most resistant to food stain?

11. Which brand of shampoo produces the most lather?

12. Which brand of washable colored markers does water most effectively remove from skin?

13. How does the volume of water in a glass bottle affect the pitch of the sound when air is blown across the mouth of the bottle?

14. Do different brands of batteries (same size, new) last equally long?

15. What effect does the number of strokes of a magnet on a nail have on the degree the nail is magnetized?

16. What effect does the diameter of a string have on its strength?

17. What effect does paint color have on its color-fastness when exposed to solar energy?

18. Does changing the brand of one ingredient (flour) produce real differences in chocolate-chip cookies?

19. Does the pressure of a soccer ball affect the distance it travels?

20. Which parachute material will give a bottle rocket the longest hang time?

21. Do left-handers or right-handers have different reaction times?

22. Does weight placement affect a pinewood derby car?

23. Which fabric is the best insulator of heat?

24. Do paper airplanes of various paper types stay aloft for different amounts of time?

25. Does the number of strokes made by a permanent magnet affect the magnetic strength of a new magnet?

26. Does the number of wire wrappings affect the strength of an electromagnet?

27. Does the position of artificial light affect plant growth?

28. Will the same object move at different speeds through different fluids?

29. Does the size of a container affect how fast water evaporates?

30. Which band-aid stays on best when placed in water?

31. Which carpet cleaner works best?

32. What effect does the height from which a ball is dropped have on the height of its bounce?

33. Will the length of the string affect the number of swings of a pendulum?

34. Which type of fabric dries quicker?

35. What are the effects of different types of soil on plant growth (use sand, clay, vermiculite, potting soil)?

36. Does temperature affect the growth of plants?

37. Do plants grow better with tap water, distilled water, or bottled water?

38. Which paper towel absorbs the most water?

39. What type of food wrap keeps food fresh longer?

40. Which type of light bulb burns the longest?

41. What are the effects of different colors of light on plant growth (use different colored cellophane)?

42. Can people identify different kinds of soda pop by taste alone?

43. What are the effects of temperature on bread mold?

44. What type of plastic wrap best prevents evaporation?

45. Do white candles burn at a different rate than colored candles?

46. Do different brands of popcorn leave different amounts of unpopped kernels/

47. Does the starting temperature of water affect how long it takes to freeze?

48. How do differences in surfaces affect the adhesion of tape?

If you would like some other ideas check out these websites:









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