Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 500 · 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) yeast (b) a mirror (c) vinegar (d) a plastic comb
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) dry hair (d) a balloon
3. 3.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
6. 6.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
8. 8.⚖️ 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
9. 9.True or false: dry hair jumps to a charged comb. (a) False (b) True
10. 10.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a steel spoon (d) a heavy book
11. 11.⚖️ 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 measure it (c) we change it
12. 12.⚖️ 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) the same comb (c) number of rubs
13. 13.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a pebble
14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
15. 15.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) a thin water stream (d) thermocol bits
16. 16.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a brick (c) a steel spoon (d) a heavy book
17. 17.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a plastic comb
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a balloon (d) a magnet
23. 23.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a thin water stream (d) a heavy book
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
26. 26.True or false: a pebble jumps to a charged comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick
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 plastic comb is not needed for the static comb. (a) True (b) False
30. 30.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) dry hair (d) puffed rice
33. 33.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a brick (d) a thin water stream
35. 35.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
36. 36.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
37. 37.⚡ A rubbed comb is held near dry hair. 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 keep it the same (b) we measure it (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 measure it (b) we change it (c) we keep it the same
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) a balloon (d) dry hair

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