Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 987 · 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.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a steel spoon (d) a brick
2. 2.⚖️ 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 same comb (d) distance to the paper
3. 3.⚖️ 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 change it (c) we measure it
4. 4.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
5. 5.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) damp air leaks charge (d) water adds charge
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same hair
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) paper bits picked up (d) distance to the paper
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) yeast (b) dry hair (c) a balloon (d) tiny paper bits
11. 11.⚖️ 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
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) yeast (d) vinegar
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
18. 18.🛟 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
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
20. 20.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) puffed rice (d) a brick
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
23. 23.True or false: a balloon is not needed for the static comb. (a) False (b) True
24. 24.⚡ Which of these jumps to a charged comb? (a) a brick (b) thermocol bits (c) a heavy book (d) a pebble
25. 25.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) turmeric powder
26. 26.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) gravity (d) sunlight
27. 27.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
28. 28.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
29. 29.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
30. 30.⚡ Which of these does not move to a charged comb? (a) a pebble (b) a thin water stream (c) dry hair (d) tiny paper bits
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 mirror (d) dry hair
32. 32.True or false: a mirror is not needed for the static comb. (a) True (b) False
33. 33.True or false: a plastic comb is needed for the static comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
35. 35.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
36. 36.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a battery cell
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a balloon (d) yeast

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