Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 621 · 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? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same comb
2. 2.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
3. 3.⚖️ 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) False (b) True
4. 4.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) a thin water stream
6. 6.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) yeast (d) a mirror
7. 7.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a magnet (d) a plastic comb
8. 8.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
9. 9.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) tiny paper bits
13. 13.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
14. 14.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
15. 15.🔮 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 falls straight down (d) it bursts at once
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) vinegar (d) dry hair
17. 17.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
18. 18.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) dry hair
19. 19.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) puffed rice (d) a thin water stream
20. 20.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) thermocol bits (d) a heavy book
21. 21.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
23. 23.True or false: a magnet is needed for the static comb. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) tiny paper bits (d) a heavy book
25. 25.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a steel spoon (d) a thin water stream
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a balloon
27. 27.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
28. 28.True or false: a plastic comb is needed for the static comb. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) turmeric powder (d) dry hair
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
31. 31.⚖️ 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
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a battery cell (d) dry hair
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
36. 36.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.⚖️ 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) number of rubs (c) distance to the paper (d) the same comb
39. 39.True or false: dry hair jumps to a charged comb. (a) False (b) True
40. 40.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed

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