Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 525 · 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 plastic comb (c) dry hair (d) yeast
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
3. 3.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
4. 4.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
5. 5.⚖️ 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 comb (b) the same hair (c) number of rubs (d) the paper bit size
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
7. 7.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) puffed rice (b) a steel spoon (c) a brick (d) a heavy book
9. 9.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a brick
10. 10.⚖️ 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
11. 11.True or false: puffed rice does not move to a charged comb. (a) False (b) True
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
13. 13.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) dry hair (d) tiny paper bits
14. 14.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a magnet (d) dry hair
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
16. 16.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) tiny paper bits (d) puffed rice
17. 17.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) distance to the paper
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
20. 20.⚖️ 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
21. 21.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a steel spoon (d) a brick
22. 22.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
24. 24.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) tiny paper bits (d) a plastic comb
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) puffed rice (d) tiny paper bits
27. 27.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
28. 28.⚖️ 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) False (b) True
29. 29.🔮 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 sticks for a while (d) it turns into water
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) number of rubs (c) paper bits picked up (d) the same comb
33. 33.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.⚖️ 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 measure it (c) we keep it the same
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) tiny paper bits (d) dry hair
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a balloon (d) tiny paper bits
40. 40.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a thin water stream (d) a steel spoon

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