Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 518 · 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.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
2. 2.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) vinegar
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
4. 4.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a steel spoon
5. 5.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) dry hair (d) a pebble
6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
8. 8.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a mirror (d) a balloon
9. 9.⚖️ 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 hair (b) paper bits picked up (c) number of rubs (d) the same comb
10. 10.⚖️ 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
11. 11.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) tiny paper bits (d) a steel spoon
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
13. 13.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) tiny paper bits
14. 14.True or false: a mirror is needed for the static comb. (a) True (b) False
15. 15.🧺 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) a balloon
16. 16.True or false: a magnet is not needed for the static comb. (a) False (b) True
17. 17.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) a plastic comb
20. 20.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
21. 21.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a balloon
22. 22.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
24. 24.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
25. 25.True or false: a mirror is not needed for the static comb. (a) False (b) True
26. 26.True or false: dry hair does not move to a charged comb. (a) True (b) False
27. 27.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
28. 28.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
29. 29.🧺 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) a mirror
30. 30.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) dry hair (d) a steel spoon
32. 32.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
33. 33.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) distance to the paper
35. 35.True or false: vinegar is needed for the static comb. (a) True (b) False
36. 36.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a thin water stream (d) a brick
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) puffed rice
38. 38.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) puffed rice
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
40. 40.⚖️ 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

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