Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 812 · 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 balloon is needed for the static comb. (a) False (b) True
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
4. 4.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) yeast (d) a plastic comb
7. 7.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a brick
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
10. 10.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
11. 11.🔮 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 freezes (d) the water stops
12. 12.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) a magnet (d) a mirror
13. 13.⚖️ 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 paper bit size (c) number of rubs
14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
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) False (b) True
16. 16.⚖️ 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
17. 17.🛟 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
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
19. 19.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) dry hair
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) a balloon
21. 21.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) vinegar (d) a battery cell
22. 22.True or false: vinegar is not needed for the static comb. (a) True (b) False
23. 23.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
24. 24.⚖️ 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
25. 25.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) dry hair (d) thermocol bits
26. 26.🧺 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
27. 27.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a brick (d) thermocol bits
28. 28.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
30. 30.True or false: yeast is not needed for the static comb. (a) False (b) True
31. 31.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
32. 32.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a plastic comb (d) a balloon
33. 33.⚡ 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
34. 34.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
36. 36.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
37. 37.⚖️ 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
38. 38.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
39. 39.True or false: a heavy book jumps to a charged comb. (a) True (b) False
40. 40.True or false: a balloon is not needed for the static comb. (a) False (b) True

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