Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 421 · 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: number of rubs is the one thing we change. (a) True (b) False
2. 2.True or false: a brick does not move to a charged comb. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) tiny paper bits
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a battery cell
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
10. 10.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
11. 11.🔮 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
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
13. 13.⚖️ 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
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
15. 15.True or false: turmeric powder is needed for the static comb. (a) True (b) False
16. 16.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a heavy book (d) a steel spoon
17. 17.🧺 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) yeast
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the same hair
19. 19.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a heavy book
21. 21.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a plastic comb (d) yeast
22. 22.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
23. 23.⚖️ 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) False (b) True
24. 24.🧺 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) vinegar
25. 25.True or false: a magnet is not needed for the static comb. (a) False (b) True
26. 26.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
29. 29.⚖️ 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 comb (b) the same hair (c) number of rubs (d) the paper bit size
30. 30.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
31. 31.🧺 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
32. 32.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
33. 33.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
34. 34.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
35. 35.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a pebble (d) a brick
36. 36.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
37. 37.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a steel spoon (d) a brick
39. 39.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) thermocol bits (d) a pebble
40. 40.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed

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