Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 404 · 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 jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a pebble
2. 2.True or false: a plastic comb is needed for the static comb. (a) True (b) False
3. 3.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) vinegar (d) tiny paper bits
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
5. 5.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) dry hair
6. 6.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
10. 10.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) yeast (d) dry hair
11. 11.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
12. 12.True or false: a balloon is not needed for the static comb. (a) True (b) False
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a battery cell (d) a balloon
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
19. 19.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a brick (d) a heavy book
20. 20.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
22. 22.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
23. 23.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
24. 24.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) turmeric powder (d) a plastic comb
25. 25.⚖️ 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) True (b) False
26. 26.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
27. 27.⚖️ 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) the same comb (c) paper bits picked up
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (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? Which of these is kept the same? (a) number of rubs (b) the paper bit size (c) paper bits picked up
30. 30.True or false: a battery cell is not needed for the static comb. (a) True (b) False
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) vinegar
32. 32.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a thin water stream (d) dry hair
33. 33.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) tiny paper bits
35. 35.True or false: dry hair is needed for the static comb. (a) True (b) False
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a battery cell (d) dry hair
37. 37.True or false: puffed rice does not move to a charged comb. (a) True (b) False
38. 38.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a steel spoon (d) a pebble
40. 40.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a heavy book

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