Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 183 · 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) vinegar (b) tiny paper bits (c) yeast (d) a magnet
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a thin water stream (d) thermocol bits
3. 3.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) dry hair (d) turmeric powder
4. 4.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
5. 5.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) vinegar
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
7. 7.🛟 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
8. 8.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a heavy book
10. 10.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a pebble
11. 11.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
13. 13.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
14. 14.⚖️ 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
15. 15.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a plastic comb
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a brick
19. 19.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
20. 20.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
21. 21.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
22. 22.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
23. 23.⚖️ 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
24. 24.True or false: a plastic comb is needed for the static comb. (a) True (b) False
25. 25.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a heavy book
26. 26.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
27. 27.🔮 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
28. 28.True or false: a battery cell is needed for the static comb. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) a thin water stream
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
32. 32.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a mirror (d) a plastic comb
34. 34.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) a mirror (d) yeast
35. 35.⚖️ 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 keep it the same (c) we change it
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) distance to the paper (d) paper bits picked up
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) tiny paper bits
38. 38.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
40. 40.True or false: a brick does not move to a charged comb. (a) True (b) False

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