Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 396 · 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.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
3. 3.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
4. 4.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a thin water stream (d) a pebble
5. 5.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
6. 6.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
7. 7.True or false: a brick does not move to a charged comb. (a) True (b) False
8. 8.⚖️ 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 hair (b) the paper bit size (c) number of rubs (d) the same comb
9. 9.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) a mirror (d) turmeric powder
10. 10.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
11. 11.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) tiny paper bits (d) thermocol bits
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same comb
14. 14.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) dry hair (d) tiny paper bits
15. 15.⚖️ 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) False (b) True
16. 16.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a battery cell
19. 19.⚖️ 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
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
24. 24.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
25. 25.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) thermocol bits (d) a brick
26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
27. 27.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
28. 28.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
30. 30.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
31. 31.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
32. 32.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) tiny paper bits (d) a mirror
33. 33.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) puffed rice
34. 34.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
35. 35.🔮 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
36. 36.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) a magnet (d) a battery cell
37. 37.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) thermocol bits (d) a thin water stream
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a magnet
39. 39.True or false: vinegar is not needed for the static comb. (a) False (b) True
40. 40.⚖️ 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

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