Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 291 · 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 is needed for the static comb? (a) a balloon (b) vinegar (c) yeast (d) a mirror
2. 2.🧺 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
3. 3.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
4. 4.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair
6. 6.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
7. 7.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) tiny paper bits (d) dry hair
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
11. 11.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a thin water stream (d) thermocol bits
12. 12.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) number of rubs (d) distance to the paper
14. 14.⚖️ 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
15. 15.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) yeast
16. 16.⚖️ 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
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
19. 19.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a brick
21. 21.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
22. 22.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ 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
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
27. 27.⚖️ 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) paper bits picked up (c) the same hair (d) the same comb
28. 28.🔮 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
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
30. 30.⚖️ 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
31. 31.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
32. 32.⚖️ 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
33. 33.True or false: vinegar is needed for the static comb. (a) False (b) True
34. 34.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
35. 35.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a thin water stream (d) a steel spoon
36. 36.True or false: puffed rice does not move to a charged comb. (a) True (b) False
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) a balloon
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
39. 39.⚖️ 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 keep it the same (c) we measure it
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon

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