Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 969 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
2. 2.True or false: a balloon is not needed for the static comb. (a) True (b) False
3. 3.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) the same hair (d) paper bits picked up
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
7. 7.True or false: dry hair does not move to a charged comb. (a) False (b) True
8. 8.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) the paper bit size (d) number of rubs
11. 11.True or false: a brick jumps to a charged comb. (a) False (b) True
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
13. 13.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same hair
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
20. 20.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a balloon (d) dry hair
23. 23.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) puffed rice (d) tiny paper bits
24. 24.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) puffed rice (d) a brick
25. 25.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) yeast (d) a mirror
26. 26.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) dry hair (d) yeast
27. 27.True or false: a pebble jumps to a charged comb. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a brick (d) a pebble
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) tiny paper bits (d) puffed rice
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
33. 33.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
34. 34.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
36. 36.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
37. 37.True or false: yeast is not needed for the static comb. (a) True (b) False
38. 38.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a thin water stream (d) a steel spoon
39. 39.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
40. 40.True or false: dry hair is not needed for the static comb. (a) True (b) False

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