Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 195 · 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.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
2. 2.True or false: yeast is needed for the static comb. (a) False (b) True
3. 3.⚡ Which of these does not move to a charged comb? (a) a pebble (b) puffed rice (c) a thin water stream (d) thermocol bits
4. 4.⚖️ 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) the same comb (c) the paper bit size (d) number of rubs
5. 5.True or false: a battery cell is not needed for the static comb. (a) False (b) True
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) vinegar
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 plastic comb (d) a rubbed balloon
9. 9.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
10. 10.⚖️ 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
11. 11.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a heavy book
12. 12.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
13. 13.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
14. 14.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) dry hair
18. 18.⚖️ 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
19. 19.True or false: a plastic comb is needed for the static comb. (a) False (b) True
20. 20.⚖️ 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
21. 21.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a mirror (d) dry hair
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
23. 23.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
24. 24.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
26. 26.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
27. 27.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
30. 30.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) dry hair (d) a heavy book
33. 33.⚖️ 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
34. 34.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
35. 35.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
36. 36.True or false: dry hair does not move to a charged comb. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a steel spoon (d) a thin water stream
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.True or false: a mirror is not needed for the static comb. (a) False (b) True
40. 40.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed

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