Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 988 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
2. 2.True or false: a battery cell is needed for the static comb. (a) True (b) False
3. 3.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) a plastic comb
5. 5.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a plastic comb (d) yeast
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
7. 7.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
8. 8.True or false: dry hair is not needed for the static comb. (a) True (b) False
9. 9.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) dry hair (d) tiny paper bits
10. 10.True or false: a magnet is not needed for the static comb. (a) False (b) True
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) a plastic comb
12. 12.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
14. 14.⚖️ 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) distance to the paper (c) the same comb (d) the same hair
15. 15.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
16. 16.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
17. 17.⚖️ 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 paper bit size (c) paper bits picked up
18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
19. 19.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
20. 20.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) yeast
22. 22.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a thin water stream (d) a brick
23. 23.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a thin water stream (d) a steel spoon
24. 24.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a brick
27. 27.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) a thin water stream
28. 28.⚖️ 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) the same hair (c) paper bits picked up (d) the paper bit size
29. 29.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) a balloon (d) tiny paper bits
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🧺 Which of these is needed for the static comb? (a) vinegar (b) a balloon (c) yeast (d) a mirror
35. 35.True or false: a balloon is not needed for the static comb. (a) True (b) False
36. 36.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
37. 37.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
38. 38.⚖️ 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 keep it the same (c) we change it
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True

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