Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 630 · 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 not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
2. 2.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
3. 3.True or false: dry hair is needed for the static comb. (a) True (b) False
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
5. 5.⚖️ 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
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) the same hair (d) number of rubs
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
9. 9.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
10. 10.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a pebble
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) dry hair (d) a plastic comb
13. 13.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) dry hair (d) a heavy book
14. 14.True or false: vinegar is needed for the static comb. (a) True (b) False
15. 15.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
16. 16.⚖️ 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
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
19. 19.True or false: yeast is needed for the static comb. (a) True (b) False
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) tiny paper bits (d) a plastic comb
21. 21.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) tiny paper bits
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
24. 24.⚖️ 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) False (b) True
25. 25.True or false: dry hair jumps to a charged comb. (a) False (b) True
26. 26.True or false: yeast is not needed for the static comb. (a) False (b) True
27. 27.⚖️ 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
28. 28.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a pebble (d) a heavy book
29. 29.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
30. 30.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a balloon (d) tiny paper bits
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
33. 33.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) dry hair (c) tiny paper bits (d) puffed rice
34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
35. 35.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
36. 36.True or false: tiny paper bits does not move to a charged 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 “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) a balloon (d) tiny paper bits
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
40. 40.True or false: a thin water stream jumps to a charged comb. (a) False (b) True

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