Static Electricity Experiment Worksheet

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

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