Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 146 · 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.🛟 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
2. 2.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a brick
3. 3.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a pebble (d) a steel spoon
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
5. 5.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) vinegar (d) dry hair
6. 6.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
7. 7.True or false: a battery cell is needed for the static comb. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a brick
9. 9.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
10. 10.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a pebble (d) a brick
11. 11.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
15. 15.True or false: a magnet is needed for the static comb. (a) True (b) False
16. 16.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) gravity (d) sunlight
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
20. 20.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a pebble (d) a thin water stream
21. 21.⚖️ 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
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) yeast (d) a balloon
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
25. 25.True or false: a pebble jumps to a charged comb. (a) False (b) True
26. 26.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a magnet (d) tiny paper bits
27. 27.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a plastic comb (d) vinegar
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
29. 29.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
30. 30.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
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 change it (b) we measure it (c) we keep it the same
34. 34.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a plastic comb (c) a balloon (d) tiny paper bits
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
36. 36.True or false: a balloon is needed for the static comb. (a) False (b) True
37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
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) number of rubs (b) the paper bit size (c) the same comb (d) distance to the paper
39. 39.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
40. 40.True or false: a balloon is not needed for the static comb. (a) True (b) False

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