Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 514 · 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.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
2. 2.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) dry hair (c) a thin water stream (d) tiny paper bits
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is hot (d) it is sticky
4. 4.⚖️ 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 change it (c) we measure it
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) a balloon (d) tiny paper bits
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a mirror (d) tiny paper bits
10. 10.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
11. 11.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) a balloon (d) vinegar
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
13. 13.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) puffed rice
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
15. 15.True or false: puffed rice jumps to a charged comb. (a) False (b) True
16. 16.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
17. 17.⚖️ 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 keep it the same (c) we measure it
18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) turmeric powder (d) a battery cell
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same comb (d) the paper bit size
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up
22. 22.True or false: a balloon is not needed for the static comb. (a) False (b) True
23. 23.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
24. 24.True or false: dry hair is not needed for the static comb. (a) True (b) False
25. 25.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
27. 27.True or false: a heavy book does not move to a charged comb. (a) True (b) False
28. 28.True or false: a magnet is not needed for the static comb. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) a plastic comb
31. 31.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
33. 33.⚖️ 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
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
35. 35.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) thermocol bits
37. 37.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a steel spoon (d) dry hair
38. 38.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
39. 39.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) a balloon (d) tiny paper bits
40. 40.True or false: a battery cell is needed for the static comb. (a) True (b) False

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