Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 561 · 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.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
2. 2.⚖️ 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) the same comb (c) the paper bit size (d) the same hair
3. 3.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) dry hair (d) puffed rice
4. 4.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a magnet (d) a plastic comb
5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
7. 7.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
8. 8.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
9. 9.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
12. 12.⚖️ 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
13. 13.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
14. 14.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a mirror (d) tiny paper bits
16. 16.True or false: a brick does not move to a charged comb. (a) False (b) True
17. 17.⚖️ 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
18. 18.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a magnet
20. 20.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
21. 21.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
22. 22.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the paper bit size (d) the same hair
26. 26.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
27. 27.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a magnet (d) a balloon
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) tiny paper bits
29. 29.True or false: dry hair does not move to a charged comb. (a) True (b) False
30. 30.True or false: a magnet is not needed for the static comb. (a) True (b) False
31. 31.🧺 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) turmeric powder
32. 32.⚖️ 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
33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) puffed rice
34. 34.True or false: puffed rice does not move to a charged comb. (a) True (b) False
35. 35.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
36. 36.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) a balloon
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
40. 40.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) dry hair

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