Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 759 · 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 is the odd one out? (a) a brick (b) a heavy book (c) dry hair (d) a pebble
2. 2.⚖️ 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) paper bits picked up (c) the same comb (d) distance to the paper
3. 3.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) tiny paper bits
4. 4.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) dry hair
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.True or false: a plastic comb is needed for the static comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
8. 8.🛟 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
9. 9.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
10. 10.⚖️ 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) number of rubs (c) the same hair
11. 11.True or false: a balloon is not needed for the static comb. (a) True (b) False
12. 12.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a heavy book (d) a pebble
13. 13.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
14. 14.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) yeast (d) tiny paper bits
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) dry hair (d) a balloon
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
21. 21.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) tiny paper bits (d) a thin water stream
22. 22.🔮 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
23. 23.True or false: a heavy book jumps to a charged comb. (a) False (b) True
24. 24.True or false: dry hair does not move to a charged comb. (a) True (b) False
25. 25.True or false: a heavy book does not move to a charged comb. (a) False (b) True
26. 26.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
27. 27.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) vinegar (d) turmeric powder
28. 28.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a brick (d) puffed rice
29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a plastic comb (d) a mirror
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
32. 32.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
34. 34.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
35. 35.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
36. 36.True or false: a magnet is not needed for the static comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a steel spoon (c) tiny paper bits (d) puffed rice
39. 39.🧺 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
40. 40.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book

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