Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 919 · 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: distance to the paper is the one thing we change. (a) True (b) False
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a battery cell
3. 3.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a battery cell
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
5. 5.⚖️ 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
6. 6.🔮 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 sticks for a while (d) it falls straight down
7. 7.True or false: vinegar is needed for the static comb. (a) True (b) False
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) a balloon
9. 9.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
11. 11.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
12. 12.True or false: vinegar is not needed for the static comb. (a) False (b) True
13. 13.True or false: turmeric powder is needed for the static comb. (a) False (b) True
14. 14.True or false: a brick does not move to a charged comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
16. 16.🧺 Which of these is not needed for the static comb? (a) yeast (b) a balloon (c) dry hair (d) a plastic comb
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) dry hair
19. 19.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
20. 20.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) a thin water stream (d) thermocol bits
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
22. 22.⚖️ 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) the same hair (c) paper bits picked up
23. 23.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
24. 24.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
25. 25.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
26. 26.True or false: a heavy book jumps to a charged comb. (a) False (b) True
27. 27.True or false: puffed rice does not move to a charged comb. (a) False (b) True
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a brick (d) a pebble
32. 32.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) a battery cell (d) turmeric powder
33. 33.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) dry hair
34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
35. 35.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a heavy book (d) a brick
36. 36.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
37. 37.⚖️ 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
38. 38.⚖️ 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 measure it (c) we keep it the same
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) dry hair (d) a pebble

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