Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 427 · 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.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
2. 2.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
3. 3.True or false: a mirror is not needed for the static comb. (a) True (b) False
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair
5. 5.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
6. 6.🛟 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 plastic comb (d) a rubbed balloon
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
9. 9.🔮 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
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
11. 11.True or false: yeast is not needed for the static comb. (a) False (b) True
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a balloon
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a plastic comb (d) tiny paper bits
15. 15.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) tiny paper bits (d) a magnet
16. 16.True or false: turmeric powder is needed for the static comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
18. 18.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) thermocol bits (d) puffed rice
19. 19.🧺 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
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) distance to the paper
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
22. 22.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) tiny paper bits
23. 23.True or false: a plastic comb is needed for the static comb. (a) False (b) True
24. 24.True or false: a pebble jumps to a charged comb. (a) False (b) True
25. 25.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a heavy book (d) tiny paper bits
26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
27. 27.True or false: puffed rice does not move to a charged comb. (a) True (b) False
28. 28.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
30. 30.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
31. 31.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
32. 32.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a balloon (d) a battery cell
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) puffed rice (d) thermocol bits
36. 36.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) tiny paper bits
39. 39.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) dry hair (d) turmeric powder
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 change it (b) we keep it the same (c) we measure it

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