Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 751 · 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 thin water stream. What happens? (a) does not move (b) jumps to the comb
2. 2.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a pebble (d) a steel spoon
4. 4.⚖️ 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) number of rubs (c) paper bits picked up (d) the paper bit size
5. 5.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
6. 6.⚖️ 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) the same hair
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
8. 8.True or false: dry hair is needed for the static comb. (a) False (b) True
9. 9.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
11. 11.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) a mirror
12. 12.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) a thin water stream (d) dry hair
13. 13.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) thermocol bits
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
16. 16.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
17. 17.⚖️ 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) False (b) True
18. 18.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
19. 19.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) a mirror (d) a battery cell
21. 21.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
22. 22.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a brick (d) a steel spoon
23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
24. 24.⚖️ 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
25. 25.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
27. 27.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) a balloon (d) tiny paper bits
29. 29.⚖️ 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 measure it (c) we change it
30. 30.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a steel spoon
31. 31.⚖️ 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) paper bits picked up (c) the same hair (d) distance to the paper
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a mirror (d) a plastic comb
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) tiny paper bits (d) a balloon
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a magnet (c) a balloon (d) tiny paper bits
35. 35.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
36. 36.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
37. 37.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) puffed rice (d) a pebble
38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
39. 39.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same

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