Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 925 · 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) paper bits picked up (b) the same hair (c) number of rubs
2. 2.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
3. 3.⚖️ 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
4. 4.⚖️ 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) the same hair (c) distance to the paper (d) the same comb
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
7. 7.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
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.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a brick (d) thermocol bits
10. 10.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) paper bits picked up (d) number of rubs
12. 12.⚖️ 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
13. 13.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
14. 14.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) tiny paper bits
16. 16.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
19. 19.True or false: dry hair jumps to a charged comb. (a) True (b) False
20. 20.True or false: a heavy book jumps to a charged comb. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) dry hair (d) a thin water stream
22. 22.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) yeast (d) a mirror
23. 23.True or false: vinegar is not needed for the static comb. (a) False (b) True
24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) puffed rice
25. 25.True or false: a pebble does not move to a charged comb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) dry hair (d) a thin water stream
27. 27.🔮 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 falls straight down (d) it sticks for a while
28. 28.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
29. 29.True or false: dry hair is not needed for the static comb. (a) True (b) False
30. 30.⚖️ 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 comb (c) paper bits picked up
31. 31.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) vinegar (d) a plastic comb
32. 32.True or false: a mirror is not needed for the static comb. (a) True (b) False
33. 33.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
34. 34.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) puffed rice (d) a heavy book
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a brick (d) a pebble
36. 36.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) vinegar (d) turmeric powder
37. 37.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
39. 39.⚖️ 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 change it (c) we keep it the same
40. 40.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb

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