Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 443 · 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 does not move to a charged comb? (a) dry hair (b) a heavy book (c) a thin water stream (d) tiny paper bits
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) dry hair (d) tiny paper bits
3. 3.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) tiny paper bits (d) a mirror
4. 4.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) dry hair (d) a balloon
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
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 same comb (b) number of rubs (c) the same hair (d) the paper bit size
8. 8.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) a balloon
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) number of rubs (d) the same hair
11. 11.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.True or false: a plastic comb is needed for the static comb. (a) True (b) False
14. 14.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) tiny paper bits
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
17. 17.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
20. 20.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a brick (d) a thin water stream
21. 21.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
22. 22.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
24. 24.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
25. 25.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) a plastic comb (d) tiny paper bits
26. 26.True or false: a battery cell is not needed for the static comb. (a) False (b) True
27. 27.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
28. 28.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a brick
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
30. 30.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) thermocol bits (d) a heavy book
31. 31.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
32. 32.True or false: a brick does not move to a charged comb. (a) True (b) False
33. 33.⚖️ 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
34. 34.True or false: yeast is needed for the static comb. (a) True (b) False
35. 35.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a plastic comb (d) yeast
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a balloon (d) dry hair
37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) a mirror
38. 38.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a heavy book
39. 39.True or false: a magnet is not needed for the static comb. (a) True (b) False
40. 40.⚖️ 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

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