Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 304 · 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 jumps to a charged comb? (a) a pebble (b) a brick (c) a thin water stream (d) a steel spoon
2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same comb (c) distance to the paper (d) number of rubs
4. 4.True or false: turmeric powder is needed for the static comb. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
6. 6.True or false: yeast is not needed for the static comb. (a) False (b) True
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
8. 8.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
10. 10.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a heavy book
11. 11.True or false: vinegar is not needed for the static comb. (a) True (b) False
12. 12.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) dry hair (d) a mirror
13. 13.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
16. 16.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) a balloon
18. 18.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
19. 19.🔍 Which is the odd one out? (a) puffed rice (b) a steel spoon (c) tiny paper bits (d) a thin water stream
20. 20.True or false: a heavy book jumps to a charged comb. (a) True (b) False
21. 21.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a thin water stream (d) a brick
22. 22.True or false: yeast is needed for the static comb. (a) True (b) False
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
24. 24.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) yeast (d) vinegar
25. 25.⚖️ 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
26. 26.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
27. 27.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a magnet (d) a balloon
28. 28.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a mirror (d) a plastic comb
29. 29.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) dry hair
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
32. 32.🧺 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
33. 33.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a brick
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) dry hair (d) tiny paper bits
35. 35.⚖️ 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 change it (c) we measure it
36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
37. 37.⚖️ 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
38. 38.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs

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