Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 955 · 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 jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) dry hair
2. 2.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
3. 3.🧺 Which of these is not needed for the static comb? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) yeast
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
6. 6.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a pebble (c) a heavy book (d) a brick
7. 7.⚖️ 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) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) distance to the paper (d) number of rubs
9. 9.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
11. 11.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) tiny paper bits
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
13. 13.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) yeast
14. 14.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) thermocol bits
17. 17.⚖️ 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
18. 18.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) tiny paper bits (d) puffed rice
19. 19.⚖️ 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) the paper bit size
20. 20.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a steel spoon (d) tiny paper bits
21. 21.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a magnet (d) tiny paper bits
22. 22.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
24. 24.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
25. 25.⚖️ 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
26. 26.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
27. 27.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a brick
28. 28.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
30. 30.True or false: a heavy book does not move to a charged comb. (a) False (b) True
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 change it (b) we keep it the same (c) we measure it
32. 32.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) turmeric powder (d) a plastic comb
33. 33.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) a balloon
35. 35.True or false: dry hair is not needed for the static comb. (a) False (b) True
36. 36.True or false: puffed rice jumps to a charged comb. (a) True (b) False
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 pebble. What happens? (a) does not move (b) jumps to the comb
39. 39.True or false: a balloon is not needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False

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