Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 67 · 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) the bits jump to it (d) nothing happens
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a pebble (d) a brick
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
5. 5.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
7. 7.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) a thin water stream (d) thermocol bits
8. 8.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
10. 10.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a pebble
11. 11.⚡ 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
12. 12.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) thermocol bits
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
14. 14.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
15. 15.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
16. 16.🛟 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) plug points at home (d) a rubbed balloon
17. 17.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a steel spoon (d) a pebble
18. 18.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) turmeric powder (d) a plastic comb
19. 19.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
23. 23.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
24. 24.True or false: yeast is not needed for the static comb. (a) False (b) True
25. 25.True or false: a battery cell is needed for the static comb. (a) False (b) True
26. 26.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
27. 27.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
28. 28.True or false: a mirror is needed for the static comb. (a) True (b) False
29. 29.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) tiny paper bits (d) a plastic comb
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a balloon (d) tiny paper bits
31. 31.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.True or false: a pebble jumps to a charged comb. (a) True (b) False
34. 34.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
37. 37.True or false: dry hair does not move to a charged comb. (a) True (b) False
38. 38.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair
40. 40.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a pebble (d) a steel spoon

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