Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 618 · 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.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
2. 2.True or false: a pebble jumps to a charged comb. (a) False (b) True
3. 3.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a brick (d) a steel spoon
4. 4.⚖️ 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 measure it (c) we keep it the same
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
7. 7.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
8. 8.True or false: vinegar is needed for the static comb. (a) False (b) True
9. 9.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
10. 10.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) thermocol bits (d) puffed rice
11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
13. 13.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
17. 17.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a pebble
19. 19.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
20. 20.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
21. 21.🔮 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
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
23. 23.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
24. 24.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a magnet (d) a mirror
25. 25.True or false: dry hair is not needed for the static comb. (a) False (b) True
26. 26.True or false: a magnet is needed for the static comb. (a) False (b) True
27. 27.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
28. 28.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
29. 29.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a heavy book (d) tiny paper bits
31. 31.⚖️ 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 paper bit size (c) number of rubs (d) paper bits picked up
32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
35. 35.⚖️ 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
36. 36.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
38. 38.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism

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