Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 47 · 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 needed for the static comb? (a) yeast (b) a magnet (c) tiny paper bits (d) turmeric powder
2. 2.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a brick (c) a pebble (d) a steel spoon
3. 3.🛟 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
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) distance to the paper (c) the paper bit size (d) paper bits picked up
5. 5.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
8. 8.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) tiny paper bits
10. 10.⚖️ 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
11. 11.True or false: yeast is needed for the static comb. (a) False (b) True
12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a pebble
14. 14.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
15. 15.⚖️ 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) False (b) True
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
17. 17.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a pebble (d) dry hair
18. 18.🔮 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
19. 19.⚡ Which of these does not move to a charged comb? (a) a brick (b) thermocol bits (c) a thin water stream (d) dry hair
20. 20.⚖️ 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
21. 21.True or false: a heavy book jumps to a charged comb. (a) False (b) True
22. 22.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
23. 23.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
24. 24.🧺 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
25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a thin water stream (d) a pebble
26. 26.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
27. 27.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) puffed rice (d) dry hair
28. 28.True or false: a battery cell is needed for the static comb. (a) True (b) False
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
30. 30.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a heavy book
31. 31.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) turmeric powder
33. 33.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
34. 34.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
35. 35.⚖️ 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
36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
37. 37.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) dry hair (d) a magnet
40. 40.⚖️ 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

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