Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 529 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) dry hair
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a plastic comb (d) tiny paper bits
3. 3.True or false: dry hair jumps to a charged comb. (a) False (b) True
4. 4.True or false: yeast is needed for the static comb. (a) False (b) True
5. 5.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
6. 6.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) vinegar (d) a battery cell
7. 7.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a brick (d) a heavy book
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) vinegar
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
10. 10.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) tiny paper bits
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the same hair (d) the paper bit size
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
15. 15.🛟 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
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) a balloon
18. 18.⚖️ 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 change it (c) we keep it the same
19. 19.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
20. 20.True or false: puffed rice jumps to a charged comb. (a) False (b) True
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
22. 22.🧺 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
23. 23.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a heavy book
24. 24.True or false: a plastic comb is needed for the static comb. (a) True (b) False
25. 25.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) dry hair (d) tiny paper bits
26. 26.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
27. 27.⚖️ 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 hair
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
30. 30.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) tiny paper bits
31. 31.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
32. 32.True or false: dry hair is not needed for the static comb. (a) False (b) True
33. 33.True or false: puffed rice does not move to a charged comb. (a) True (b) False
34. 34.True or false: a brick jumps to a charged comb. (a) False (b) True
35. 35.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
37. 37.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) a mirror (d) a magnet
38. 38.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) the paper bit size (d) paper bits picked up
40. 40.True or false: tiny paper bits is needed for the static comb. (a) False (b) True

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