Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 583 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.True or false: a heavy book does not move to a charged comb. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) dry hair
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
6. 6.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a heavy book
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
9. 9.⚡ A rubbed comb is held near a steel spoon. 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? True or false: the same comb is kept the same. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a heavy book
12. 12.True or false: a pebble jumps to a charged comb. (a) True (b) False
13. 13.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
14. 14.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) a balloon
16. 16.True or false: a battery cell is not needed for the static comb. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) thermocol bits (d) a brick
18. 18.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
19. 19.True or false: dry hair is needed for the static comb. (a) False (b) True
20. 20.True or false: yeast is needed for the static comb. (a) True (b) False
21. 21.⚖️ 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 same comb (c) number of rubs (d) the paper bit size
22. 22.True or false: a mirror is needed for the static comb. (a) False (b) True
23. 23.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) turmeric powder (d) a balloon
24. 24.True or false: a plastic comb is needed for the static comb. (a) True (b) False
25. 25.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
26. 26.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) puffed rice (d) a brick
27. 27.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
28. 28.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
29. 29.⚖️ 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
30. 30.True or false: dry hair jumps to a charged comb. (a) True (b) False
31. 31.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a pebble
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) dry hair
34. 34.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) tiny paper bits (d) a steel spoon
35. 35.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
36. 36.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a plastic comb (d) a mirror
37. 37.True or false: a balloon is not needed for the static comb. (a) False (b) True
38. 38.⚖️ 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
39. 39.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) tiny paper bits (d) a battery cell
40. 40.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home

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