Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 223 · 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.🔮 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
2. 2.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) dry hair
3. 3.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
4. 4.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
7. 7.True or false: a magnet is not needed for the static comb. (a) False (b) True
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
9. 9.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
10. 10.True or false: a battery cell is needed for the static comb. (a) False (b) True
11. 11.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
12. 12.True or false: dry hair does not move to a charged comb. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a heavy book
14. 14.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
19. 19.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
20. 20.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a brick (d) a steel spoon
21. 21.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
22. 22.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
23. 23.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a pebble (d) a heavy book
24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) dry hair
26. 26.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a brick (d) a steel spoon
27. 27.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
29. 29.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a mirror (d) a battery cell
30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a magnet (d) a plastic comb
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) distance to the paper (d) paper bits picked up
32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ 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) paper bits picked up (c) number of rubs
34. 34.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
35. 35.True or false: a brick does not move to a charged comb. (a) False (b) True
36. 36.⚖️ 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
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
38. 38.True or false: a mirror is not needed for the static comb. (a) True (b) False
39. 39.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
40. 40.True or false: a thin water stream jumps to a charged comb. (a) False (b) True

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