Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 186 · 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.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
2. 2.⚖️ 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
3. 3.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a pebble (d) a heavy book
4. 4.⚖️ 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 change it (c) we measure it
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a heavy book
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) a battery cell (d) turmeric powder
9. 9.True or false: puffed rice jumps to a charged comb. (a) False (b) True
10. 10.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a mirror
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) dry hair
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) distance to the paper (d) the paper bit size
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) dry hair
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) dry hair
18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
19. 19.🔮 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
20. 20.True or false: a magnet is needed for the static comb. (a) False (b) True
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) puffed rice (d) a brick
25. 25.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) thermocol bits (d) a steel spoon
27. 27.True or false: vinegar is not needed for the static comb. (a) False (b) True
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
30. 30.🧺 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) a mirror
31. 31.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
32. 32.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
33. 33.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
34. 34.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
35. 35.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) vinegar (d) turmeric powder
36. 36.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.True or false: a heavy book does not move to a charged comb. (a) False (b) True
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True

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