Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 521 · 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) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
2. 2.🔮 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 turns into water (d) it sticks for a while
3. 3.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
7. 7.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
8. 8.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
9. 9.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
13. 13.True or false: a magnet is needed for the static comb. (a) True (b) False
14. 14.⚖️ 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 paper bit size (c) distance to the paper (d) number of rubs
15. 15.🧺 Which of these is not needed for the static comb? (a) yeast (b) a plastic comb (c) dry hair (d) tiny paper bits
16. 16.⚖️ 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
17. 17.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
19. 19.True or false: a magnet is not needed for the static comb. (a) False (b) True
20. 20.True or false: puffed rice does not move to a charged comb. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) dry hair (d) tiny paper bits
22. 22.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) dry hair (d) a pebble
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) tiny paper bits
24. 24.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a battery cell (d) a balloon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) dry hair (d) yeast
27. 27.True or false: dry hair does not move to a charged comb. (a) True (b) False
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a pebble
30. 30.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a steel spoon (d) tiny paper bits
32. 32.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
33. 33.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
34. 34.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a battery cell (d) a balloon
35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a brick
36. 36.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
37. 37.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) dry days are noisy (d) wet hair is magnetic
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb

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