Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 615 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same comb (d) the same hair
2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
3. 3.⚖️ 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
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
6. 6.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
7. 7.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) dry hair (d) a pebble
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a brick (d) a pebble
10. 10.True or false: dry hair does not move to a charged comb. (a) True (b) False
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
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 paper bit size (c) paper bits picked up (d) number of rubs
13. 13.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
14. 14.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a brick (d) a pebble
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
16. 16.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
17. 17.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
18. 18.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
19. 19.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a magnet (d) a balloon
20. 20.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same hair
23. 23.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
26. 26.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) puffed rice (d) tiny paper bits
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
28. 28.True or false: a brick jumps to a charged comb. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) a balloon
30. 30.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a brick
31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a brick (d) a pebble
32. 32.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) dry hair (c) thermocol bits (d) puffed rice
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a pebble (d) a brick
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) a balloon
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) a balloon (d) dry hair
37. 37.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a magnet (d) a battery cell
38. 38.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
39. 39.True or false: a mirror is needed for the static comb. (a) False (b) True
40. 40.True or false: turmeric powder is needed for the static comb. (a) False (b) True

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