Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 840 · 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 needed for the static comb? (a) a magnet (b) dry hair (c) a battery cell (d) a mirror
2. 2.⚖️ 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) the paper bit size (c) paper bits picked up (d) the same hair
3. 3.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
4. 4.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a plastic comb (d) a mirror
5. 5.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) a balloon (d) a plastic comb
6. 6.⚖️ 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
7. 7.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
8. 8.⚖️ 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
9. 9.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a pebble
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) yeast
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
12. 12.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a thin water stream (d) puffed rice
13. 13.True or false: a battery cell is needed for the static comb. (a) True (b) False
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
15. 15.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a steel spoon (d) a pebble
16. 16.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
17. 17.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
18. 18.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
21. 21.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
22. 22.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a battery cell
24. 24.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
25. 25.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) a mirror
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a magnet (d) a plastic comb
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
28. 28.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) puffed rice (d) tiny paper bits
31. 31.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
32. 32.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
33. 33.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
35. 35.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) dry hair (d) puffed rice
36. 36.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
37. 37.⚖️ 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
38. 38.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
40. 40.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) a thin water stream (d) puffed rice

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