Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 640 · 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 is the odd one out? (a) a heavy book (b) a pebble (c) puffed rice (d) a brick
2. 2.True or false: a battery cell is not needed for the static comb. (a) True (b) False
3. 3.⚖️ 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) the paper bit size (c) distance to the paper (d) paper bits picked up
4. 4.⚖️ 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
5. 5.⚖️ 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) number of rubs (c) distance to the paper (d) the same comb
6. 6.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
8. 8.True or false: a magnet is not needed for the static comb. (a) True (b) False
9. 9.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) vinegar (d) a magnet
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
11. 11.True or false: dry hair is not needed for the static comb. (a) False (b) True
12. 12.True or false: a pebble does not move to a charged comb. (a) True (b) False
13. 13.⚖️ 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 same comb
14. 14.⚖️ 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 hair (c) number of rubs
15. 15.⚖️ 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
16. 16.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) yeast (d) tiny paper bits
17. 17.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
18. 18.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
19. 19.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
21. 21.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a steel spoon (c) a pebble (d) a heavy book
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) tiny paper bits (d) dry hair
23. 23.⚖️ 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) False (b) True
24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
25. 25.True or false: a mirror is needed for the static comb. (a) False (b) True
26. 26.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a brick (d) tiny paper bits
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
28. 28.⚖️ 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
29. 29.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) yeast
30. 30.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
31. 31.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
32. 32.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) a magnet (d) turmeric powder
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
34. 34.True or false: a mirror is not needed for the static comb. (a) True (b) False
35. 35.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
36. 36.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
37. 37.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
38. 38.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a mirror
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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