Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 327 · 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.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) distance to the paper (d) the same comb
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
4. 4.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a steel spoon
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
7. 7.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a heavy book (d) thermocol bits
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a plastic comb (d) tiny paper bits
9. 9.⚖️ 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) distance to the paper (c) paper bits picked up (d) number of rubs
10. 10.🔮 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
11. 11.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) dry hair (d) a thin water stream
12. 12.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
13. 13.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a magnet
15. 15.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
16. 16.⚖️ 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) True (b) False
17. 17.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a mirror
18. 18.⚖️ 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) number of rubs (c) the same comb
19. 19.True or false: a magnet is not needed for the static comb. (a) True (b) False
20. 20.True or false: a balloon is needed for the static comb. (a) False (b) True
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
24. 24.True or false: a battery cell is not needed for the static comb. (a) True (b) False
25. 25.True or false: a brick does not move to a charged comb. (a) True (b) False
26. 26.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
27. 27.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
28. 28.True or false: turmeric powder is needed for the static comb. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) tiny paper bits
30. 30.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
31. 31.True or false: dry hair does not move to a charged comb. (a) True (b) False
32. 32.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
33. 33.⚖️ 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
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
35. 35.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a brick (d) a steel spoon
36. 36.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
37. 37.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
38. 38.⚖️ 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 measure it (c) we change it
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
40. 40.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) a magnet (d) a battery cell

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