Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 517 · 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.True or false: a battery cell is needed for the static comb. (a) True (b) False
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) a balloon
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
4. 4.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) turmeric powder (d) tiny paper bits
5. 5.True or false: a battery cell is not needed for the static comb. (a) False (b) True
6. 6.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a thin water stream (d) a heavy book
7. 7.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) thermocol bits (d) a brick
8. 8.⚖️ 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 measure it (c) we change it
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
10. 10.True or false: turmeric powder is needed for the static comb. (a) False (b) True
11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
12. 12.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
13. 13.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) a battery cell
17. 17.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) tiny paper bits
19. 19.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
20. 20.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) tiny paper bits (d) thermocol bits
21. 21.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
22. 22.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
23. 23.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
24. 24.True or false: dry hair is needed for the static comb. (a) True (b) False
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.True or false: dry hair does not move to a charged comb. (a) False (b) True
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
30. 30.⚖️ 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) True (b) False
31. 31.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) number of rubs (c) distance to the paper (d) paper bits picked up
34. 34.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
35. 35.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) vinegar
39. 39.True or false: yeast is needed for the static comb. (a) False (b) True
40. 40.True or false: a thin water stream jumps to a charged comb. (a) False (b) True

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