Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 503 · 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) dry hair (b) a plastic comb (c) tiny paper bits (d) a mirror
2. 2.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
3. 3.True or false: a balloon is needed for the static comb. (a) True (b) False
4. 4.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a mirror (d) a plastic comb
6. 6.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a pebble (d) tiny paper bits
10. 10.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
11. 11.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
12. 12.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
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 hair
14. 14.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a heavy book
15. 15.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) tiny paper bits
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
19. 19.🛟 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
20. 20.True or false: a pebble jumps to a charged comb. (a) False (b) True
21. 21.🔮 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
22. 22.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) a plastic comb (d) dry hair
23. 23.🔮 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
24. 24.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a pebble
25. 25.True or false: dry hair is not needed for the static comb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) puffed rice (d) a brick
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.True or false: a plastic comb is needed for the static comb. (a) False (b) True
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) number of rubs (d) the same hair
31. 31.True or false: a magnet is needed for the static comb. (a) False (b) True
32. 32.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) yeast (d) a magnet
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the same hair (d) distance to the paper
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) yeast
36. 36.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) wet hair is magnetic (d) water adds charge
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
39. 39.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a brick (d) a heavy book
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a mirror (d) vinegar

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