Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 846 · 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) a plastic comb (b) a balloon (c) tiny paper bits (d) turmeric powder
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
3. 3.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) turmeric powder (d) a magnet
4. 4.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a heavy book (d) a pebble
5. 5.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) a steel spoon (d) a heavy book
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
7. 7.True or false: a plastic comb is needed for the static comb. (a) False (b) True
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
10. 10.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
11. 11.True or false: dry hair is not needed for the static comb. (a) True (b) False
12. 12.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) dry hair (d) a balloon
14. 14.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) thermocol bits (d) a brick
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
16. 16.⚖️ 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
17. 17.True or false: a magnet is not needed for the static comb. (a) False (b) True
18. 18.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) tiny paper bits (d) yeast
19. 19.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a mirror (d) a plastic comb
20. 20.⚖️ 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) paper bits picked up (c) number of rubs
21. 21.⚖️ 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) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
23. 23.True or false: vinegar is not needed for the static comb. (a) True (b) False
24. 24.⚖️ 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 paper bit size (c) number of rubs (d) distance to the paper
25. 25.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) dry hair (d) a thin water stream
26. 26.⚖️ 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 change it (c) we measure it
27. 27.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a thin water stream (d) a brick
28. 28.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
29. 29.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) puffed rice
32. 32.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
33. 33.True or false: a brick jumps to a charged comb. (a) False (b) True
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
36. 36.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) dry hair
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a brick (d) a heavy book
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
40. 40.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a pebble

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