Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 105 · 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.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
2. 2.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) vinegar
3. 3.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
4. 4.True or false: puffed rice jumps to a charged comb. (a) True (b) False
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
6. 6.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
7. 7.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) distance to the paper (d) paper bits picked up
9. 9.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a heavy book (d) a brick
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
15. 15.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a heavy book (d) a brick
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a balloon (d) a plastic comb
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
19. 19.True or false: a plastic comb is needed for the static comb. (a) True (b) False
20. 20.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
21. 21.🛟 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
22. 22.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a brick
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
25. 25.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) dry hair (d) tiny paper bits
26. 26.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a brick (d) dry hair
27. 27.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
28. 28.⚖️ 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
29. 29.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a battery cell (d) a plastic comb
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
32. 32.⚖️ 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 same comb (c) paper bits picked up
33. 33.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
34. 34.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a balloon (d) a battery cell
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a brick (d) a heavy book
38. 38.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) dry hair (d) a mirror
39. 39.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False

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