Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 669 · 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.🔮 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 bursts at once (d) it sticks for a while
2. 2.True or false: a pebble jumps to a charged comb. (a) True (b) False
3. 3.True or false: puffed rice does not move to a charged comb. (a) False (b) True
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
5. 5.🔮 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
6. 6.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
7. 7.⚖️ 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
8. 8.⚖️ 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) distance to the paper
9. 9.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a brick
10. 10.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) tiny paper bits (d) turmeric powder
13. 13.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
14. 14.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
15. 15.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) number of rubs
19. 19.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
20. 20.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
22. 22.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a pebble (d) a brick
23. 23.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) puffed rice (d) a brick
24. 24.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) puffed rice (d) a steel spoon
25. 25.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a thin water stream (d) a steel spoon
26. 26.True or false: a balloon is not needed for the static comb. (a) False (b) True
27. 27.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) dry hair
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a brick (d) puffed rice
31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
32. 32.True or false: dry hair jumps to a charged comb. (a) True (b) False
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
35. 35.True or false: a heavy book jumps to a charged comb. (a) True (b) False
36. 36.True or false: yeast is not needed for the static comb. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) thermocol bits (d) a heavy book
38. 38.True or false: vinegar is needed for the static comb. (a) True (b) False
39. 39.⚖️ 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
40. 40.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False

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