Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 966 · 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.⚖️ 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 change it (c) we keep it the same
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
4. 4.⚖️ 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) the same comb (d) paper bits picked up
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
6. 6.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
9. 9.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) distance to the paper (c) number of rubs (d) paper bits picked up
11. 11.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
14. 14.True or false: a pebble jumps to a charged comb. (a) False (b) True
15. 15.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
16. 16.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
18. 18.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
19. 19.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
21. 21.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
22. 22.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
23. 23.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
24. 24.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a battery cell (d) yeast
25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
26. 26.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a mirror (d) tiny paper bits
27. 27.True or false: a magnet is needed for the static comb. (a) True (b) False
28. 28.🛟 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
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
30. 30.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a thin water stream (d) tiny paper bits
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) tiny paper bits (d) a plastic comb
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
35. 35.True or false: vinegar is needed for the static comb. (a) False (b) True
36. 36.True or false: puffed rice jumps to a charged comb. (a) False (b) True
37. 37.True or false: a mirror is not needed for the static comb. (a) True (b) False
38. 38.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True

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