Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 620 · 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 of these is needed for the static comb? (a) a battery cell (b) a magnet (c) turmeric powder (d) tiny paper bits
2. 2.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) thermocol bits
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
4. 4.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) a balloon (d) tiny paper bits
5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
6. 6.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
7. 7.⚖️ 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 measure it (c) we change it
8. 8.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
11. 11.⚖️ 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
12. 12.🧺 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
13. 13.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) yeast (d) a plastic comb
14. 14.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a mirror (d) a balloon
15. 15.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
16. 16.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
17. 17.⚖️ 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) the same comb (c) number of rubs
18. 18.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a mirror (d) a battery cell
19. 19.True or false: dry hair is needed for the static comb. (a) False (b) True
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.True or false: a brick does not move to a charged comb. (a) True (b) False
22. 22.True or false: a magnet is not needed for the static comb. (a) True (b) False
23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
24. 24.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
27. 27.True or false: a pebble jumps to a charged comb. (a) False (b) True
28. 28.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
29. 29.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
30. 30.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a pebble (d) a steel spoon
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) a thin water stream
32. 32.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
33. 33.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
34. 34.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
35. 35.True or false: a mirror is not needed for the static comb. (a) False (b) True
36. 36.True or false: a plastic comb is needed for the static comb. (a) False (b) True
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) the same hair (d) number of rubs
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) dry hair (d) a plastic comb
39. 39.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up

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