Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 60 · 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.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
2. 2.True or false: a brick jumps to a charged comb. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a pebble (d) a steel spoon
4. 4.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
7. 7.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
8. 8.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a heavy book
9. 9.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) a magnet (d) vinegar
10. 10.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) dry hair
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) paper bits picked up (d) the paper bit size
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) turmeric powder
15. 15.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a steel spoon (d) puffed rice
16. 16.True or false: a brick does not move to a charged comb. (a) True (b) False
17. 17.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
18. 18.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
19. 19.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a brick
21. 21.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.True or false: puffed rice jumps to a charged comb. (a) False (b) True
24. 24.⚖️ 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) number of rubs (c) paper bits picked up
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
26. 26.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) turmeric powder (d) yeast
27. 27.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
28. 28.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) tiny paper bits
29. 29.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
31. 31.⚖️ 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
32. 32.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) distance to the paper (d) the same comb
34. 34.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
35. 35.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
36. 36.True or false: a magnet is not needed for the static comb. (a) False (b) True
37. 37.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a mirror
40. 40.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a brick (d) tiny paper bits

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