Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 680 · 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 blue (b) they turn wet (c) nothing happens (d) the bits jump to it
2. 2.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) dry hair (d) a balloon
3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
4. 4.⚖️ 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 same comb (c) number of rubs
5. 5.True or false: dry hair does not move to a charged comb. (a) True (b) False
6. 6.🛟 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
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a mirror
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
9. 9.True or false: a brick jumps to a charged comb. (a) False (b) True
10. 10.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
11. 11.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
13. 13.🧺 Which of these is needed for the static comb? (a) dry hair (b) a magnet (c) a mirror (d) turmeric powder
14. 14.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) puffed rice (d) thermocol bits
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) vinegar (d) a balloon
16. 16.⚖️ 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) number of rubs (c) distance to the paper (d) the paper bit size
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) a balloon (d) dry hair
18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) puffed rice (d) a heavy book
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) a balloon
20. 20.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) vinegar (d) a magnet
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) dry hair (d) a thin water stream
22. 22.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a steel spoon
23. 23.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) dry hair
24. 24.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a brick (d) a thin water stream
26. 26.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) dry hair (d) tiny paper bits
27. 27.⚖️ 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
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
29. 29.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
30. 30.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) a mirror (d) turmeric powder
31. 31.True or false: a heavy book jumps to a charged comb. (a) False (b) True
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
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.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) a magnet (d) yeast
37. 37.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) puffed rice (d) tiny paper bits
40. 40.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed

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