Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 883 · 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 jumps to a charged comb? (a) a brick (b) a pebble (c) puffed rice (d) a heavy book
2. 2.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
3. 3.🔮 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
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
5. 5.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) thermocol bits (d) tiny paper bits
6. 6.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
8. 8.True or false: a plastic comb is needed for the static comb. (a) False (b) True
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
10. 10.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
11. 11.True or false: dry hair is needed for the static comb. (a) True (b) False
12. 12.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
13. 13.⚖️ 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) number of rubs (c) paper bits picked up (d) the same hair
14. 14.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
15. 15.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a steel spoon (d) thermocol bits
16. 16.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a brick
17. 17.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) yeast (d) turmeric powder
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
21. 21.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
22. 22.⚖️ 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 same comb (c) the same hair (d) paper bits picked up
23. 23.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a thin water stream (d) a brick
24. 24.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
25. 25.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a pebble
26. 26.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
27. 27.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) a plastic comb (d) tiny paper bits
28. 28.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
30. 30.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) a plastic comb (d) dry hair
31. 31.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
32. 32.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) a thin water stream
33. 33.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a magnet (d) dry hair
34. 34.True or false: a battery cell is needed for the static comb. (a) True (b) False
35. 35.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
36. 36.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) water adds charge (d) dry days are noisy
37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) yeast
38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
39. 39.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
40. 40.⚖️ 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

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