Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 321 · 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.⚖️ 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 change it (c) we measure it
2. 2.True or false: a heavy book does not move to a charged comb. (a) False (b) True
3. 3.True or false: a brick jumps to a charged comb. (a) True (b) False
4. 4.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
7. 7.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a steel spoon
8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a magnet
9. 9.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) yeast (d) dry hair
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
12. 12.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
14. 14.⚖️ 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 change it (c) we measure it
15. 15.True or false: a magnet is needed for the static comb. (a) True (b) False
16. 16.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
18. 18.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
20. 20.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
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 balloon (d) a battery cell
22. 22.True or false: yeast is needed for the static comb. (a) True (b) False
23. 23.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
24. 24.True or false: a mirror is not needed for the static comb. (a) False (b) True
25. 25.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
26. 26.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) tiny paper bits
27. 27.⚖️ 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) number of rubs (d) the same hair
28. 28.True or false: puffed rice does not move to a charged comb. (a) False (b) True
29. 29.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
31. 31.True or false: a mirror is needed for the static comb. (a) False (b) True
32. 32.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) a thin water stream (d) thermocol bits
33. 33.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) tiny paper bits (d) a balloon
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
37. 37.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
38. 38.🧺 Which of these is needed for the static comb? (a) a balloon (b) vinegar (c) a magnet (d) yeast
39. 39.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it

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