Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 566 · 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: yeast is needed for the static comb. (a) True (b) False
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
3. 3.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
4. 4.⚖️ 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
5. 5.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a brick (d) a pebble
6. 6.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
8. 8.⚡ 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
9. 9.True or false: a balloon is not needed for the static comb. (a) False (b) True
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
11. 11.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
13. 13.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a brick
16. 16.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) puffed rice (d) a thin water stream
19. 19.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) tiny paper bits
20. 20.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
21. 21.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same hair (c) distance to the paper (d) paper bits picked up
23. 23.🔮 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 bursts at once (d) it falls straight down
24. 24.🧺 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
25. 25.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
26. 26.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) thermocol bits
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) dry hair (d) a plastic comb
30. 30.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
31. 31.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
32. 32.True or false: a plastic comb is needed for the static comb. (a) False (b) True
33. 33.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a magnet (d) a plastic comb
34. 34.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) tiny paper bits (d) thermocol bits
35. 35.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) dry hair (d) a plastic comb
36. 36.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a brick (d) a thin water stream
37. 37.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
38. 38.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) a balloon (d) turmeric powder
39. 39.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
40. 40.True or false: dry hair jumps to a charged comb. (a) False (b) True

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