Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 677 · 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.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
2. 2.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
3. 3.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) dry hair (d) a balloon
4. 4.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) tiny paper bits
7. 7.True or false: a mirror is needed for the static comb. (a) True (b) False
8. 8.True or false: a brick does not move to a charged comb. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) puffed rice
10. 10.True or false: a mirror is not needed for the static comb. (a) True (b) False
11. 11.True or false: dry hair is not needed for the static comb. (a) True (b) False
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) yeast (d) a balloon
13. 13.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
14. 14.True or false: a battery cell is not needed for the static comb. (a) False (b) True
15. 15.⚖️ 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
16. 16.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a heavy book (d) a steel spoon
17. 17.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) puffed rice
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) vinegar (d) dry hair
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.🛟 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) a rubbed balloon (d) plug points at home
22. 22.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) puffed rice (d) dry hair
23. 23.⚖️ 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 paper bit size (c) the same comb (d) paper bits picked up
24. 24.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) tiny paper bits (d) dry hair
25. 25.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
26. 26.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
27. 27.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) the same hair (c) number of rubs (d) distance to the paper
29. 29.⚖️ 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 measure it (c) we change it
30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a magnet
31. 31.True or false: a battery cell is needed for the static comb. (a) False (b) True
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) the paper bit size (c) number of rubs
33. 33.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a plastic comb (d) dry hair
35. 35.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a brick (d) tiny paper bits
36. 36.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) yeast (d) a magnet
37. 37.True or false: a magnet is needed for the static comb. (a) False (b) True
38. 38.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
39. 39.⚖️ 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
40. 40.True or false: a heavy book does not move to a charged comb. (a) True (b) False

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