Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 914 · 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? True or false: the same comb is kept the same. (a) True (b) False
2. 2.⚖️ 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 paper bit size (c) number of rubs
3. 3.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
5. 5.⚖️ 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
6. 6.⚖️ 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 keep it the same (c) we change it
7. 7.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) puffed rice (d) a heavy book
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
10. 10.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
11. 11.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🔮 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 bursts at once (d) it turns into water
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) turmeric powder (d) tiny paper bits
15. 15.True or false: a battery cell is not needed for the static comb. (a) False (b) True
16. 16.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
17. 17.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) a thin water stream (d) puffed rice
18. 18.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a brick (d) dry hair
19. 19.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
20. 20.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) a magnet (d) vinegar
21. 21.⚖️ 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
22. 22.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) vinegar (d) tiny paper bits
24. 24.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a plastic comb (d) yeast
25. 25.⚖️ 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) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
27. 27.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) thermocol bits (d) a brick
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a thin water stream (d) a pebble
31. 31.True or false: a balloon is not needed for the static comb. (a) False (b) True
32. 32.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
33. 33.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
34. 34.⚖️ 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
35. 35.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
36. 36.True or false: dry hair is needed for the static comb. (a) False (b) True
37. 37.⚖️ 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 paper bit size (c) the same comb (d) paper bits picked up
38. 38.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
39. 39.True or false: puffed rice jumps to a charged comb. (a) False (b) True
40. 40.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble

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