Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 949 · 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 is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) a thin water stream
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
3. 3.⚖️ 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) distance to the paper (c) number of rubs
4. 4.True or false: dry hair is needed for the static comb. (a) True (b) False
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
6. 6.True or false: a battery cell is needed for the static comb. (a) False (b) True
7. 7.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) tiny paper bits
12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a magnet
13. 13.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a heavy book (d) tiny paper bits
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) yeast (d) a plastic comb
17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
18. 18.⚖️ 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
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all
20. 20.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
21. 21.True or false: turmeric powder is needed for the static comb. (a) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) vinegar (d) a balloon
24. 24.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
25. 25.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
26. 26.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
27. 27.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) a plastic comb (d) a balloon
29. 29.True or false: a pebble does not move to a charged comb. (a) False (b) True
30. 30.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a pebble (d) a steel spoon
31. 31.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
32. 32.⚖️ 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) False (b) True
33. 33.⚖️ 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) number of rubs (c) paper bits picked up (d) the same hair
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) puffed rice (d) a thin water stream
35. 35.⚖️ 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) False (b) True
36. 36.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
39. 39.True or false: turmeric powder 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: the paper bit size is kept the same. (a) True (b) False

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