Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 907 · 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 what we measure? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the paper bit size
2. 2.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) tiny paper bits (d) a balloon
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
4. 4.True or false: a plastic comb is needed for the static comb. (a) False (b) True
5. 5.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) dry hair (d) a battery cell
6. 6.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
7. 7.True or false: a pebble jumps to a charged comb. (a) False (b) True
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a plastic comb
9. 9.⚖️ 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) False (b) True
10. 10.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
13. 13.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) vinegar (d) tiny paper bits
14. 14.True or false: a magnet is needed for the static comb. (a) True (b) False
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
16. 16.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
17. 17.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
19. 19.🔮 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 bursts at once (d) it falls straight down
20. 20.True or false: a magnet is not needed for the static comb. (a) False (b) True
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
22. 22.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) thermocol bits (d) a heavy book
23. 23.🛟 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
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.True or false: a battery cell is not needed for the static comb. (a) False (b) True
26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
27. 27.True or false: turmeric powder is needed for the static comb. (a) False (b) True
28. 28.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
29. 29.True or false: a pebble does not move to a charged comb. (a) False (b) True
30. 30.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
31. 31.True or false: a brick does not move to a charged comb. (a) True (b) False
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a magnet
33. 33.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
38. 38.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) turmeric powder (d) yeast
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move

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