Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 756 · 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) the same comb (b) paper bits picked up (c) number of rubs (d) the paper bit size
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
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.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
5. 5.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
6. 6.⚖️ 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
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
8. 8.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
9. 9.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) puffed rice (d) dry hair
10. 10.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a steel spoon
11. 11.True or false: a balloon is not needed for the static comb. (a) True (b) False
12. 12.True or false: a magnet is needed for the static comb. (a) True (b) False
13. 13.⚖️ 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
14. 14.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) tiny paper bits (d) dry hair
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) dry hair
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
19. 19.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
20. 20.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
21. 21.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
22. 22.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
24. 24.True or false: turmeric powder is needed for the static comb. (a) True (b) False
25. 25.True or false: dry hair is not needed for the static comb. (a) True (b) False
26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
27. 27.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a balloon (d) a plastic comb
28. 28.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) vinegar (d) a plastic comb
31. 31.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
32. 32.True or false: dry hair jumps to a charged comb. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) puffed rice (d) a brick
34. 34.True or false: a brick jumps to a charged comb. (a) True (b) False
35. 35.True or false: a battery cell is not needed for the static comb. (a) False (b) True
36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
37. 37.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
39. 39.True or false: a brick does not move to a charged comb. (a) True (b) False
40. 40.⚖️ 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

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