Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 55 · 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) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
2. 2.True or false: yeast is needed for the static comb. (a) False (b) True
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
4. 4.⚡ 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
5. 5.⚖️ 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
6. 6.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a steel spoon
7. 7.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
9. 9.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a heavy book (d) a brick
10. 10.⚖️ 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) number of rubs (c) the same comb
11. 11.⚖️ 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) number of rubs (c) distance to the paper (d) the same hair
12. 12.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
13. 13.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a mirror (d) a plastic comb
14. 14.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
15. 15.🛟 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) a rubbed balloon (d) plug points at home
16. 16.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
17. 17.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) a mirror (d) turmeric powder
18. 18.True or false: a brick jumps to a charged comb. (a) True (b) False
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) dry hair
20. 20.🧺 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) yeast
21. 21.True or false: dry hair is not needed for the static comb. (a) False (b) True
22. 22.⚖️ 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
23. 23.🔮 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 turns into water (d) it bursts at once
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
25. 25.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
26. 26.True or false: a battery cell is needed for the static comb. (a) True (b) False
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
28. 28.⚖️ 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
29. 29.⚖️ 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) True (b) False
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
31. 31.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) thermocol bits (d) tiny paper bits
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a heavy book
34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
38. 38.True or false: vinegar is not needed for the static comb. (a) False (b) True
39. 39.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) dry hair (d) a battery cell
40. 40.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed

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