Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 353 · 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.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
2. 2.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
3. 3.True or false: a pebble jumps to a charged comb. (a) False (b) True
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
7. 7.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a brick
8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) number of rubs
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
13. 13.⚖️ 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) True (b) False
14. 14.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
16. 16.⚖️ 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) True (b) False
17. 17.True or false: a brick does not move to a charged comb. (a) True (b) False
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) turmeric powder (d) a balloon
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
20. 20.⚖️ 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 change it (c) we keep it the same
21. 21.True or false: a battery cell is not needed for the static comb. (a) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) vinegar
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
25. 25.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) vinegar (d) tiny paper bits
26. 26.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a plastic comb (d) turmeric powder
27. 27.⚖️ 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
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) a balloon
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.True or false: dry hair jumps to a charged comb. (a) True (b) False
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) paper bits picked up (b) number of rubs (c) the same comb (d) distance to the paper
32. 32.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a brick (d) a thin water stream
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) tiny paper bits
34. 34.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) puffed rice
35. 35.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
36. 36.True or false: dry hair is not needed for the static comb. (a) True (b) False
37. 37.True or false: a magnet is not needed for the static comb. (a) False (b) True
38. 38.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
39. 39.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
40. 40.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move

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