Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 803 · 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) turmeric powder (b) vinegar (c) a balloon (d) a mirror
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) the same comb (b) the paper bit size (c) the same hair (d) number of rubs
3. 3.True or false: vinegar is needed for the static comb. (a) True (b) False
4. 4.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) vinegar (d) a mirror
5. 5.⚖️ 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
6. 6.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
8. 8.🔮 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
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) tiny paper bits
11. 11.⚖️ 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 keep it the same (c) we measure it
12. 12.⚖️ 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) the paper bit size (c) distance to the paper (d) paper bits picked up
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
14. 14.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a steel spoon (d) a thin water stream
15. 15.⚖️ 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
16. 16.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
17. 17.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
18. 18.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
19. 19.True or false: a mirror is needed for the static comb. (a) False (b) True
20. 20.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) a thin water stream
21. 21.True or false: turmeric powder is needed for the static comb. (a) True (b) False
22. 22.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
24. 24.⚖️ 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
25. 25.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
26. 26.True or false: dry hair jumps to a charged comb. (a) True (b) False
27. 27.⚖️ 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
28. 28.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) a balloon
29. 29.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a brick (d) tiny paper bits
30. 30.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a brick (d) puffed rice
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a heavy book (d) a steel spoon
34. 34.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
35. 35.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a steel spoon
36. 36.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a pebble (d) a brick
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) vinegar
39. 39.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) tiny paper bits (d) puffed rice
40. 40.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) tiny paper bits (d) a pebble

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