Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 698 · 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.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
2. 2.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) a balloon
3. 3.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
6. 6.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
7. 7.⚖️ 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
8. 8.True or false: a brick does not move to a charged comb. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a brick
10. 10.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) dry hair (d) a heavy book
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
12. 12.⚖️ 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) distance to the paper (c) paper bits picked up
13. 13.🧺 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
14. 14.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
15. 15.🛟 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
16. 16.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) thermocol bits (d) dry hair
18. 18.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
19. 19.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) the same comb (d) the same hair
21. 21.🔮 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
22. 22.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
23. 23.True or false: a mirror is needed for the static comb. (a) False (b) True
24. 24.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) dry hair (c) tiny paper bits (d) a thin water stream
25. 25.⚖️ 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
26. 26.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
27. 27.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) tiny paper bits (d) a heavy book
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.True or false: a pebble jumps to a charged comb. (a) False (b) True
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
31. 31.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
33. 33.True or false: a heavy book does not move to a charged comb. (a) False (b) True
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) dry hair (d) a balloon
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
36. 36.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) thermocol bits
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) a balloon
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
39. 39.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
40. 40.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) a balloon

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