Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 354 · 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 not needed for the static comb? (a) a plastic comb (b) dry hair (c) turmeric powder (d) tiny paper bits
2. 2.True or false: a plastic comb is needed for the static comb. (a) False (b) True
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
5. 5.True or false: a heavy book jumps to a charged comb. (a) True (b) False
6. 6.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
7. 7.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) tiny paper bits (d) thermocol bits
8. 8.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) yeast
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
11. 11.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
12. 12.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
16. 16.True or false: turmeric powder is needed for the static comb. (a) False (b) True
17. 17.⚖️ 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) paper bits picked up (c) number of rubs (d) distance to the paper
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) a thin water stream (d) tiny paper bits
19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) puffed rice (d) tiny paper bits
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
21. 21.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) tiny paper bits (d) a plastic comb
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
24. 24.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a brick
25. 25.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
26. 26.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
27. 27.🔮 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
28. 28.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
29. 29.True or false: a pebble jumps to a charged comb. (a) True (b) False
30. 30.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
31. 31.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) turmeric powder (d) dry hair
32. 32.⚖️ 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 change it (c) we measure it
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) a plastic comb
36. 36.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
37. 37.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
38. 38.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) dry days are noisy (d) wet hair is magnetic
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon

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