Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 569 · 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.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
2. 2.True or false: dry hair is not needed for the static comb. (a) True (b) False
3. 3.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
4. 4.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) tiny paper bits (d) a balloon
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
7. 7.True or false: puffed rice jumps to a charged comb. (a) False (b) True
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a battery cell (d) a plastic comb
10. 10.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a heavy book (d) tiny paper bits
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
15. 15.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
16. 16.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
17. 17.True or false: a balloon is not needed for the static comb. (a) True (b) False
18. 18.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
20. 20.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a brick
21. 21.⚖️ 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
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) distance to the paper (d) paper bits picked up
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.True or false: dry hair is needed for the static comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
31. 31.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
33. 33.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a heavy book
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) dry hair
35. 35.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) a balloon
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
38. 38.True or false: dry hair jumps to a charged comb. (a) False (b) True
39. 39.True or false: a heavy book does not move to a charged comb. (a) True (b) False
40. 40.True or false: vinegar is not needed for the static comb. (a) False (b) True

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