Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 591 · 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 heavy book (b) a steel spoon (c) a thin water stream (d) a brick
2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
3. 3.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
4. 4.⚖️ 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
5. 5.⚖️ 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) paper bits picked up (d) the same hair
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
7. 7.⚖️ 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
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
11. 11.True or false: a battery cell is not needed for the static comb. (a) False (b) True
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
13. 13.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
14. 14.⚖️ 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) False (b) True
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
16. 16.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
17. 17.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) yeast (d) vinegar
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
19. 19.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) a balloon (d) tiny paper bits
21. 21.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
22. 22.True or false: dry hair is not needed for the static comb. (a) False (b) True
23. 23.True or false: a heavy book jumps to a charged comb. (a) True (b) False
24. 24.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a steel spoon (d) thermocol bits
26. 26.True or false: a magnet is needed for the static comb. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) tiny paper bits
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
32. 32.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
33. 33.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
34. 34.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
37. 37.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a battery cell (d) a plastic comb
38. 38.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) dry hair
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) dry hair (d) a plastic comb
40. 40.True or false: a steel spoon does not move to a charged comb. (a) False (b) True

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