Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 80 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
2. 2.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) thermocol bits
3. 3.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
5. 5.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
6. 6.True or false: a heavy book jumps to a charged comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the same comb (d) the paper bit size
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
9. 9.True or false: puffed rice jumps to a charged comb. (a) False (b) True
10. 10.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) yeast (d) a plastic comb
11. 11.True or false: dry hair is not needed for the static comb. (a) True (b) False
12. 12.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
13. 13.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) yeast (d) dry hair
14. 14.True or false: a balloon is needed for the static comb. (a) False (b) True
15. 15.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
16. 16.True or false: vinegar is not needed for the static comb. (a) True (b) False
17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
18. 18.⚖️ 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
19. 19.True or false: a plastic comb is needed for the static comb. (a) True (b) False
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
21. 21.True or false: a magnet is not needed for the static comb. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) puffed rice (d) a brick
23. 23.True or false: yeast is needed for the static comb. (a) True (b) False
24. 24.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
25. 25.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.⚖️ 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) the same comb (c) distance to the paper (d) number of rubs
28. 28.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
29. 29.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) puffed rice
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
32. 32.🧺 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) dry hair
33. 33.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.True or false: a heavy book does not move to a charged comb. (a) True (b) False
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a balloon (d) a plastic comb
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a battery cell
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
40. 40.⚖️ 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

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