Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 342 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
2. 2.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) vinegar
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
5. 5.⚖️ 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
6. 6.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
8. 8.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
9. 9.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
11. 11.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) vinegar (d) dry hair
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
13. 13.⚖️ 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
14. 14.⚖️ 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) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the paper bit size
17. 17.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
18. 18.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a mirror (d) vinegar
19. 19.True or false: a balloon is not needed for the static comb. (a) False (b) True
20. 20.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a steel spoon (d) a brick
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same hair (d) number of rubs
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) a magnet (d) a mirror
24. 24.True or false: yeast is not needed for the static comb. (a) True (b) False
25. 25.⚖️ 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) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) thermocol bits
27. 27.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
28. 28.True or false: a battery cell is needed for the static comb. (a) True (b) False
29. 29.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
30. 30.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) turmeric powder
32. 32.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) a steel spoon (d) a heavy book
33. 33.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) yeast (d) a plastic comb
36. 36.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a thin water stream (d) a heavy book
37. 37.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a pebble (d) tiny paper bits
38. 38.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) turmeric powder (d) dry hair
39. 39.True or false: puffed rice jumps to a charged comb. (a) True (b) False
40. 40.🧺 Do we need yeast for the static comb? (a) needed (b) not needed

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