Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 876 · 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 is the odd one out? (a) a steel spoon (b) thermocol bits (c) a thin water stream (d) tiny paper bits
2. 2.True or false: yeast is not needed for the static comb. (a) True (b) False
3. 3.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a magnet (d) tiny paper bits
5. 5.⚖️ 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) distance to the paper (d) the same hair
6. 6.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
10. 10.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
11. 11.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) puffed rice (d) tiny paper bits
12. 12.True or false: dry hair is not needed for the static comb. (a) True (b) False
13. 13.⚖️ 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
14. 14.True or false: a heavy book jumps to a charged comb. (a) False (b) True
15. 15.True or false: a pebble jumps to a charged comb. (a) True (b) False
16. 16.🔮 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 bursts at once (d) it falls straight down
17. 17.⚖️ 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
18. 18.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
23. 23.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a plastic comb (d) a balloon
25. 25.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a plastic comb
29. 29.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
30. 30.True or false: a brick jumps to a charged comb. (a) False (b) True
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.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
33. 33.True or false: a battery cell is needed for the static comb. (a) False (b) True
34. 34.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
35. 35.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a mirror
37. 37.True or false: a plastic comb is needed for the static comb. (a) True (b) False
38. 38.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a battery cell (d) turmeric powder
39. 39.True or false: dry hair does not move to a charged comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the paper bit size (c) number of rubs

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