Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 149 · 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? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.⚖️ 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
3. 3.True or false: dry hair does not move to a charged comb. (a) True (b) False
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
5. 5.🛟 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
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
7. 7.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
8. 8.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a heavy book
9. 9.⚡ Which of these does not move to a charged comb? (a) a brick (b) puffed rice (c) dry hair (d) thermocol bits
10. 10.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) dry hair
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
13. 13.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) puffed rice (d) dry hair
14. 14.True or false: a magnet is not needed for the static comb. (a) False (b) True
15. 15.⚖️ 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 keep it the same (c) we change it
16. 16.🔮 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
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
19. 19.True or false: a battery cell is needed for the static comb. (a) False (b) True
20. 20.True or false: a pebble jumps to a charged comb. (a) False (b) True
21. 21.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) dry hair
22. 22.⚖️ 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
23. 23.⚖️ 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 same hair (c) number of rubs
24. 24.True or false: a magnet is needed for the static comb. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) dry hair (d) a pebble
26. 26.True or false: a balloon is needed for the static comb. (a) True (b) False
27. 27.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
28. 28.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) yeast (d) dry hair
32. 32.⚡ 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) they turn blue (d) nothing happens
33. 33.True or false: a brick jumps to a charged comb. (a) False (b) True
34. 34.⚖️ 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) False (b) True
35. 35.🛟 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) plug points at home (d) a rubbed balloon
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
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) the same hair (b) number of rubs (c) the paper bit size (d) the same comb
38. 38.True or false: turmeric powder is needed for the static comb. (a) False (b) True
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a battery cell (d) tiny paper bits

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