Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 110 · 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.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) number of rubs (d) the paper bit size
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) turmeric powder
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) paper bits picked up (d) the same comb
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) vinegar
7. 7.🔮 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
8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) yeast
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
10. 10.⚡ 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
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) a balloon
13. 13.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
14. 14.True or false: dry hair is not needed for the static comb. (a) False (b) True
15. 15.True or false: a plastic comb is needed for the static comb. (a) True (b) False
16. 16.⚖️ 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
17. 17.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) tiny paper bits (d) thermocol bits
19. 19.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a steel spoon (d) a pebble
20. 20.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a balloon (d) turmeric powder
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.True or false: vinegar is needed for the static comb. (a) False (b) True
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) vinegar (d) dry hair
24. 24.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
28. 28.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
29. 29.True or false: a mirror is not needed for the static comb. (a) True (b) False
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
32. 32.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
33. 33.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
35. 35.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
36. 36.⚖️ 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
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
38. 38.True or false: yeast is not needed for the static comb. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a steel spoon (d) a pebble
40. 40.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning

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