Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 265 · 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? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) distance to the paper (d) number of rubs
2. 2.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a magnet
3. 3.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a battery cell (d) tiny paper bits
7. 7.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
9. 9.⚖️ 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
10. 10.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same comb
12. 12.⚖️ 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 change it (c) we measure it
13. 13.True or false: turmeric powder is needed for the static comb. (a) False (b) True
14. 14.⚖️ 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
15. 15.True or false: a heavy book does not move to a charged comb. (a) True (b) False
16. 16.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
17. 17.⚖️ 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
18. 18.True or false: yeast is needed for the static comb. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a heavy book
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
24. 24.True or false: a pebble jumps to a charged comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
26. 26.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
27. 27.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a pebble
28. 28.True or false: a heavy book jumps to a charged comb. (a) False (b) True
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a balloon
31. 31.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a steel spoon
32. 32.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
33. 33.⚖️ 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) False (b) True
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a pebble (d) a steel spoon
35. 35.True or false: a balloon is not needed for the static comb. (a) False (b) True
36. 36.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) vinegar (d) a plastic comb
37. 37.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
38. 38.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
39. 39.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
40. 40.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb

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