Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 298 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) a balloon (d) dry hair
2. 2.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
3. 3.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
4. 4.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
6. 6.⚖️ 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
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
11. 11.🔮 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
12. 12.True or false: a balloon is not needed for the static comb. (a) True (b) False
13. 13.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
14. 14.🛟 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
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) distance to the paper (c) paper bits picked up (d) the paper bit size
16. 16.⚖️ 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
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a steel spoon (d) dry hair
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up
25. 25.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a plastic comb (d) a magnet
26. 26.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) distance to the paper (d) the same hair
28. 28.True or false: puffed rice does not move to a charged comb. (a) True (b) False
29. 29.True or false: a magnet is needed for the static comb. (a) True (b) False
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
31. 31.True or false: a plastic comb is needed for the static comb. (a) False (b) True
32. 32.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
33. 33.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
34. 34.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) vinegar (d) yeast
36. 36.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
37. 37.True or false: a brick does not move to a charged comb. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a brick (d) a steel spoon
39. 39.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
40. 40.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a steel spoon (d) dry hair

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