Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 39 · 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 is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
2. 2.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a battery cell (d) tiny paper bits
3. 3.⚖️ 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
4. 4.True or false: a mirror is needed for the static comb. (a) False (b) True
5. 5.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) vinegar
8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
9. 9.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a heavy book
10. 10.🔮 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
11. 11.True or false: a balloon is needed for the static comb. (a) False (b) True
12. 12.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
13. 13.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) turmeric powder
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
16. 16.True or false: dry hair jumps to a charged comb. (a) False (b) True
17. 17.True or false: a pebble jumps to a charged comb. (a) False (b) True
18. 18.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
20. 20.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
21. 21.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a pebble
22. 22.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a magnet
23. 23.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) number of rubs
25. 25.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
30. 30.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) tiny paper bits (d) dry hair
32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) puffed rice (d) a brick
33. 33.True or false: dry hair is needed for the static comb. (a) False (b) True
34. 34.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) tiny paper bits (d) a thin water stream
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) dry hair
37. 37.⚖️ 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 measure it (c) we change it
38. 38.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) yeast
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.True or false: puffed rice jumps to a charged comb. (a) True (b) False

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