Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 322 · 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? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
3. 3.True or false: dry hair jumps to a charged comb. (a) True (b) False
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
5. 5.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) dry hair (d) tiny paper bits
10. 10.🔮 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
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.⚖️ 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 paper bit size (c) number of rubs
15. 15.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
16. 16.True or false: a balloon is not needed for the static comb. (a) True (b) False
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) number of rubs (c) the same comb
18. 18.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) turmeric powder (d) dry hair
19. 19.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn blue (d) they turn wet
20. 20.🧺 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) a battery cell
21. 21.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
22. 22.True or false: a plastic comb is needed for the static comb. (a) False (b) True
23. 23.True or false: a mirror is needed for the static comb. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) dry hair
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 same comb (d) distance to the paper
26. 26.True or false: puffed rice does not move to a charged comb. (a) True (b) False
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) yeast
28. 28.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
29. 29.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
31. 31.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) turmeric powder (d) a battery cell
32. 32.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a brick
33. 33.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) dry hair
37. 37.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
40. 40.True or false: turmeric powder is needed for the static comb. (a) True (b) False

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