Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 896 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the paper bit size (c) paper bits picked up
4. 4.True or false: a mirror is not needed for the static comb. (a) False (b) True
5. 5.⚖️ 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 change it (c) we keep it the same
6. 6.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a thin water stream (d) a pebble
7. 7.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
9. 9.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a brick (d) a heavy book
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) yeast (d) tiny paper bits
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a magnet (d) a balloon
12. 12.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) vinegar (d) turmeric powder
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
14. 14.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a pebble (d) thermocol bits
15. 15.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
18. 18.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
20. 20.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a steel spoon
21. 21.⚖️ 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 keep it the same (c) we measure it
22. 22.True or false: dry hair is not 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 same comb is kept the same. (a) True (b) False
24. 24.True or false: a balloon is needed for the static comb. (a) True (b) False
25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a pebble (d) a steel spoon
26. 26.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
27. 27.True or false: a battery cell is not needed for the static comb. (a) False (b) True
28. 28.🛟 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
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) dry hair (d) tiny paper bits
31. 31.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a heavy book (d) a brick
32. 32.⚖️ 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
33. 33.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
34. 34.⚡ 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
35. 35.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
36. 36.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
39. 39.⚖️ 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) distance to the paper (c) the same comb (d) number of rubs
40. 40.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move

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