Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 349 · 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.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.⚖️ 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) distance to the paper (c) number of rubs
4. 4.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
5. 5.⚖️ 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) paper bits picked up (d) the same comb
6. 6.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) tiny paper bits
7. 7.True or false: a battery cell is not needed for the static comb. (a) False (b) True
8. 8.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
9. 9.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
13. 13.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a heavy book (d) a brick
14. 14.True or false: a balloon is not 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 mirror (b) dry hair (c) a balloon (d) a plastic comb
16. 16.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
17. 17.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) thermocol bits (d) a steel spoon
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 change it (b) we measure it (c) we keep it the same
19. 19.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a heavy book
20. 20.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
21. 21.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) number of rubs (d) the same hair
24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
25. 25.True or false: turmeric powder is needed for the static comb. (a) False (b) True
26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
28. 28.True or false: a balloon is needed for the static comb. (a) False (b) True
29. 29.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) tiny paper bits
31. 31.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
32. 32.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
34. 34.⚡ 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
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 measure it (b) we keep it the same (c) we change it
36. 36.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) a balloon
37. 37.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) a plastic comb (d) tiny paper bits
39. 39.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
40. 40.⚖️ 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

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