Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 995 · 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.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
2. 2.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
3. 3.🔮 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
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
5. 5.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
6. 6.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) thermocol bits (d) a pebble
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
10. 10.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) a plastic comb (d) a balloon
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
12. 12.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a magnet (d) a balloon
13. 13.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a brick (d) tiny paper bits
14. 14.⚖️ 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
15. 15.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) a battery cell (d) a magnet
16. 16.True or false: a heavy book does not move to a charged comb. (a) False (b) True
17. 17.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
18. 18.⚖️ 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
19. 19.🛟 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) a rubbed balloon (d) plug points at home
20. 20.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a thin water stream (d) tiny paper bits
21. 21.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
22. 22.True or false: a mirror is needed for the static comb. (a) False (b) True
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) yeast
24. 24.True or false: a magnet is needed for the static comb. (a) True (b) False
25. 25.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
26. 26.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a heavy book (d) a brick
27. 27.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
28. 28.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
30. 30.⚖️ 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) paper bits picked up (c) the paper bit size (d) the same hair
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a mirror (d) dry hair
33. 33.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) paper bits picked up (c) number of rubs (d) the same hair
35. 35.True or false: turmeric powder is needed for the static comb. (a) True (b) False
36. 36.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
37. 37.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) tiny paper bits (d) dry hair
38. 38.True or false: dry hair does not move to a charged comb. (a) False (b) True
39. 39.⚖️ 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 change it (c) we keep it the same
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it

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