Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 584 · 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? True or false: the same comb is kept the same. (a) True (b) False
2. 2.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
3. 3.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a brick (d) a heavy book
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
5. 5.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a steel spoon
6. 6.True or false: a mirror is needed for the static comb. (a) False (b) True
7. 7.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) turmeric powder (d) dry hair
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a balloon (d) a plastic comb
11. 11.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
14. 14.True or false: dry hair is not needed for the static comb. (a) True (b) False
15. 15.True or false: a pebble does not move to a charged comb. (a) False (b) True
16. 16.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
19. 19.True or false: a balloon is not needed for the static comb. (a) True (b) False
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the same comb (d) the paper bit size
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
23. 23.True or false: a plastic comb is needed for the static comb. (a) False (b) True
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a mirror
25. 25.True or false: a magnet is needed for the static comb. (a) False (b) True
26. 26.⚖️ 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) False (b) True
27. 27.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) puffed rice
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
29. 29.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
31. 31.⚖️ 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) True (b) False
32. 32.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) thermocol bits (d) a brick
33. 33.🧺 Which of these is not needed for the static comb? (a) yeast (b) dry hair (c) tiny paper bits (d) a balloon
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) yeast (d) turmeric powder
35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) tiny paper bits
36. 36.True or false: yeast is not needed for the static comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
38. 38.⚖️ 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
39. 39.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
40. 40.⚖️ 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) paper bits picked up (c) distance to the paper

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