Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 568 · 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 a pebble. What happens? (a) does not move (b) jumps to the comb
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
5. 5.⚖️ 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
6. 6.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) a mirror (d) a magnet
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
9. 9.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
11. 11.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
13. 13.True or false: tiny paper bits 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? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a brick (d) a thin water stream
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a steel spoon
19. 19.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) dry hair
20. 20.🔮 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
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a magnet
22. 22.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
23. 23.True or false: a heavy book jumps to a charged comb. (a) False (b) True
24. 24.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
27. 27.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
28. 28.True or false: yeast is not needed for the static comb. (a) True (b) False
29. 29.True or false: puffed rice jumps to a charged comb. (a) True (b) False
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
32. 32.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
33. 33.True or false: a brick jumps to a charged comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
36. 36.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
37. 37.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a magnet (d) a balloon
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) distance to the paper (d) the same comb
39. 39.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes

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