Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 652 · 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 “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a thin water stream (d) a pebble
4. 4.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a pebble
6. 6.True or false: dry hair does not move to a charged comb. (a) True (b) False
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
10. 10.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
12. 12.⚖️ 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
13. 13.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 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) dry hair
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) tiny paper bits
18. 18.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
19. 19.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
20. 20.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
21. 21.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) tiny paper bits (d) a pebble
22. 22.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) tiny paper bits
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
24. 24.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
25. 25.⚖️ 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
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) number of rubs (b) distance to the paper (c) the paper bit size (d) the same comb
27. 27.True or false: a battery cell is not needed for the static comb. (a) False (b) True
28. 28.True or false: a balloon is needed for the static comb. (a) False (b) True
29. 29.True or false: a plastic comb is needed for the static comb. (a) False (b) True
30. 30.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) puffed rice (d) a heavy book
33. 33.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) puffed rice (d) tiny paper bits
34. 34.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a battery cell
36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
37. 37.True or false: a pebble jumps to a charged comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) number of rubs
40. 40.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) thermocol bits (c) tiny paper bits (d) dry hair

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