Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 373 · 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) tiny paper bits (c) a pebble (d) a brick
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.⚖️ 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
4. 4.True or false: turmeric powder is needed for the static comb. (a) False (b) True
5. 5.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
6. 6.True or false: a plastic comb is needed for the static comb. (a) False (b) True
7. 7.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a battery cell
8. 8.⚖️ 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 hair (b) the same comb (c) number of rubs (d) distance to the paper
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
10. 10.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a pebble (d) a brick
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) dry hair (d) tiny paper bits
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
14. 14.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) vinegar (d) dry hair
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
16. 16.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) turmeric powder (d) tiny paper bits
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) turmeric powder
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) a battery cell (d) yeast
20. 20.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
22. 22.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) thermocol bits (d) a pebble
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a balloon (d) a magnet
24. 24.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
25. 25.True or false: a heavy book does not move to a charged comb. (a) False (b) True
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
27. 27.⚖️ 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) the same hair (c) number of rubs (d) paper bits picked up
28. 28.True or false: a magnet is not needed for the static comb. (a) False (b) True
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a magnet (d) tiny paper bits
30. 30.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a heavy book (d) dry hair
31. 31.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
32. 32.🔮 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 bursts at once (d) it turns into water
33. 33.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
34. 34.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
35. 35.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
36. 36.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
37. 37.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) puffed rice
38. 38.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
39. 39.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it

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