Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 747 · 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? True or false: the paper bit size is kept the same. (a) False (b) True
2. 2.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair
3. 3.True or false: a balloon is not needed for the static comb. (a) True (b) False
4. 4.⚖️ 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
5. 5.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) puffed rice
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) yeast (d) tiny paper bits
7. 7.⚖️ 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
8. 8.🛟 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
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
10. 10.🛟 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
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
12. 12.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
13. 13.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) dry hair
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a balloon (d) dry hair
16. 16.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a pebble (d) tiny paper bits
17. 17.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
18. 18.⚖️ 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) the same comb (c) number of rubs
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
20. 20.⚖️ 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) True (b) False
21. 21.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a heavy book (d) a thin water stream
22. 22.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a steel spoon (d) a pebble
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) dry hair
24. 24.⚖️ 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 change it (c) we keep it the same
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.True or false: a pebble jumps to a charged comb. (a) True (b) False
27. 27.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) puffed rice
28. 28.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
29. 29.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) thermocol bits (d) puffed rice
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a mirror (d) dry hair
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) number of rubs (d) the paper bit size
32. 32.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
33. 33.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a pebble (d) thermocol bits
35. 35.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) turmeric powder (d) a mirror
36. 36.🧺 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
37. 37.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
38. 38.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
39. 39.True or false: dry hair is needed for the static comb. (a) False (b) True
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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