Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 825 · 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 falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
2. 2.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a thin water stream (d) tiny paper bits
3. 3.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
4. 4.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a brick
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
7. 7.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) dry hair (d) puffed rice
8. 8.⚖️ 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
9. 9.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
11. 11.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
13. 13.⚖️ 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) True (b) False
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a balloon (d) a plastic comb
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
16. 16.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a brick
17. 17.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a plastic comb (d) a mirror
18. 18.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) yeast (d) a balloon
19. 19.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) yeast
20. 20.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) dry hair
21. 21.True or false: a mirror is not needed for the static comb. (a) True (b) False
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ 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
24. 24.True or false: turmeric powder is needed for the static comb. (a) True (b) False
25. 25.True or false: a battery cell is needed for the static comb. (a) True (b) False
26. 26.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
27. 27.True or false: yeast is needed for the static comb. (a) False (b) True
28. 28.True or false: a heavy book jumps to a charged comb. (a) True (b) False
29. 29.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) dry hair (d) tiny paper bits
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
31. 31.⚖️ 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
32. 32.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
33. 33.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
34. 34.True or false: a magnet is needed for the static comb. (a) False (b) True
35. 35.True or false: a mirror is needed for the static comb. (a) True (b) False
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) dry hair
37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
39. 39.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it

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