Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 785 · 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) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
2. 2.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) thermocol bits
3. 3.True or false: a mirror is not needed for the static comb. (a) True (b) False
4. 4.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
5. 5.⚖️ 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) the paper bit size (c) paper bits picked up
6. 6.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) puffed rice (d) dry hair
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
12. 12.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
13. 13.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits
15. 15.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
16. 16.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
17. 17.⚖️ 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
18. 18.⚖️ 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) paper bits picked up (c) the same comb
19. 19.⚖️ 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
20. 20.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) a thin water stream
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) a balloon
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
23. 23.⚖️ 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) the paper bit size (c) number of rubs (d) the same hair
24. 24.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a balloon (d) a mirror
25. 25.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) dry hair (d) a mirror
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a brick
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
31. 31.⚖️ 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
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) a magnet (d) turmeric powder
34. 34.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a brick
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) puffed rice (d) a pebble
37. 37.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
38. 38.True or false: dry hair is not needed for the static comb. (a) False (b) True
39. 39.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
40. 40.True or false: a steel spoon jumps to a charged comb. (a) True (b) False

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