Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 948 · 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) a thin water stream (b) puffed rice (c) a pebble (d) thermocol bits
2. 2.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) thermocol bits (d) a thin water stream
3. 3.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
4. 4.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) dry hair (d) a balloon
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
7. 7.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) a thin water stream
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
10. 10.True or false: a battery cell is needed for the static comb. (a) True (b) False
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
12. 12.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) yeast
15. 15.True or false: a brick jumps to a charged comb. (a) True (b) False
16. 16.True or false: yeast is needed for the static comb. (a) False (b) True
17. 17.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
18. 18.True or false: a magnet is needed for the static comb. (a) True (b) False
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) the paper bit size (d) paper bits picked up
22. 22.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
23. 23.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a pebble (d) thermocol bits
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
25. 25.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
26. 26.True or false: turmeric powder is needed for the static comb. (a) True (b) False
27. 27.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
28. 28.⚖️ 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
29. 29.⚖️ 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 change it (c) we measure it
30. 30.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
32. 32.🔮 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
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a magnet
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a steel spoon (d) a brick
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a mirror (d) vinegar
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) dry hair (d) puffed rice
37. 37.True or false: vinegar is needed for the static comb. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) puffed rice
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
40. 40.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move

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