Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 414 · 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? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same hair
2. 2.⚖️ 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
3. 3.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a heavy book (d) a steel spoon
4. 4.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a brick
5. 5.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) thermocol bits (d) a pebble
6. 6.True or false: vinegar is not needed for the static comb. (a) True (b) False
7. 7.True or false: a magnet is not needed for the static comb. (a) True (b) False
8. 8.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
9. 9.True or false: puffed rice jumps to a charged comb. (a) False (b) True
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
11. 11.🔮 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
12. 12.⚖️ 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 keep it the same (c) we measure it
13. 13.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) the wind (d) dew
14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
15. 15.True or false: turmeric powder is needed for the static comb. (a) False (b) True
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a magnet
17. 17.True or false: a pebble does not move to a charged comb. (a) False (b) True
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
19. 19.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) a battery cell (d) yeast
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) yeast (d) a mirror
21. 21.True or false: puffed rice does not move to a charged comb. (a) True (b) False
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) distance to the paper (c) paper bits picked up (d) the same hair
23. 23.True or false: a mirror is not needed for the static comb. (a) False (b) True
24. 24.🛟 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
25. 25.🔮 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
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) the same hair (c) number of rubs (d) the paper bit size
27. 27.⚖️ 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) False (b) True
28. 28.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
29. 29.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
30. 30.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) dry hair (d) tiny paper bits
31. 31.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
32. 32.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) dry hair (d) turmeric powder
33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
34. 34.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) a balloon (d) dry hair
35. 35.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
36. 36.True or false: a plastic comb is needed for the static comb. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a pebble (d) tiny paper bits
38. 38.True or false: dry hair is needed for the static comb. (a) False (b) True
39. 39.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot

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