Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 783 · 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.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) dry hair (d) puffed rice
2. 2.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) turmeric powder (d) a magnet
3. 3.⚖️ 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
4. 4.⚖️ 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 comb (b) distance to the paper (c) number of rubs (d) the paper bit size
5. 5.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
6. 6.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
8. 8.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
10. 10.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
11. 11.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
13. 13.True or false: a pebble jumps to a charged comb. (a) False (b) True
14. 14.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
15. 15.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
16. 16.True or false: a balloon is needed for the static comb. (a) True (b) False
17. 17.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
18. 18.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
19. 19.True or false: a battery cell is not needed for the static comb. (a) True (b) False
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
21. 21.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
22. 22.True or false: vinegar is not needed for the static comb. (a) True (b) False
23. 23.True or false: vinegar is needed for the static comb. (a) True (b) False
24. 24.⚖️ 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
25. 25.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) yeast (d) a mirror
26. 26.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a heavy book (d) a pebble
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a balloon (d) a plastic comb
28. 28.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a pebble (d) a steel spoon
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a plastic comb (d) tiny paper bits
31. 31.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a steel spoon
32. 32.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) puffed rice
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a heavy book (d) a steel spoon
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
38. 38.True or false: a mirror is needed for the static comb. (a) True (b) False
39. 39.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
40. 40.True or false: puffed rice does not move to a charged comb. (a) False (b) True

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