Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 624 · 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 tiny paper bits. What happens? (a) does not move (b) jumps to the comb
2. 2.True or false: a brick jumps to a charged comb. (a) False (b) True
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
5. 5.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
6. 6.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
7. 7.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) the paper bit size (d) paper bits picked up
11. 11.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
13. 13.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) puffed rice (d) a thin water stream
14. 14.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) a battery cell (d) yeast
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
16. 16.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
17. 17.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a steel spoon (d) a heavy book
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
19. 19.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) paper bits picked up (c) number of rubs (d) the same comb
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
22. 22.True or false: a magnet is not needed for the static comb. (a) False (b) True
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a plastic comb
25. 25.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a pebble (d) a brick
26. 26.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) a mirror
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
30. 30.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a steel spoon (d) a brick
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) a balloon
32. 32.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a plastic comb
35. 35.True or false: a pebble does not move to a charged comb. (a) False (b) True
36. 36.True or false: a battery cell is not needed for the static comb. (a) True (b) False
37. 37.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) thermocol bits
38. 38.True or false: a mirror is not needed for the static comb. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a brick (d) dry hair
40. 40.🧺 Do we need yeast for the static comb? (a) not needed (b) needed

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