Static Electricity Experiment Worksheet

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

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