Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 599 · 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) tiny paper bits (b) thermocol bits (c) puffed rice (d) a brick
2. 2.⚖️ 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) distance to the paper (c) number of rubs (d) the same comb
3. 3.🧺 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) a battery cell
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a balloon (d) a plastic comb
5. 5.True or false: puffed rice jumps to a charged comb. (a) False (b) True
6. 6.🧺 Which of these is needed for the static comb? (a) a balloon (b) a battery cell (c) a magnet (d) vinegar
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same hair (c) number of rubs (d) distance to the paper
9. 9.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
10. 10.⚖️ 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
11. 11.⚖️ 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 change it (c) we measure it
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
14. 14.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
15. 15.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) dry hair
16. 16.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a thin water stream (d) puffed rice
17. 17.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
18. 18.True or false: a balloon is needed for the static comb. (a) True (b) False
19. 19.🛟 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
20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) a thin water stream
21. 21.True or false: turmeric powder is needed for the static comb. (a) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) tiny paper bits (d) dry hair
23. 23.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
24. 24.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
26. 26.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
27. 27.True or false: dry hair is needed for the static comb. (a) False (b) True
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) tiny paper bits
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
30. 30.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) a plastic comb (d) tiny paper bits
32. 32.⚖️ 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) False (b) True
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
34. 34.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
35. 35.True or false: a heavy book does not move to a charged comb. (a) True (b) False
36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) tiny paper bits
39. 39.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed

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