Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 169 · 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: tiny paper bits jumps to a charged comb. (a) False (b) True
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
3. 3.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a battery cell
5. 5.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a pebble (d) dry hair
6. 6.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
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 change it (b) we keep it the same (c) we measure it
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
9. 9.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
10. 10.⚖️ 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
11. 11.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
12. 12.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
13. 13.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) a battery cell (d) yeast
14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
15. 15.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
17. 17.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
18. 18.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
19. 19.True or false: a mirror is not needed for the static comb. (a) False (b) True
20. 20.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) vinegar (d) a magnet
21. 21.⚖️ 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 hair
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 comb (c) paper bits picked up (d) distance to the paper
23. 23.⚖️ 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
24. 24.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) dry hair
25. 25.⚖️ 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) distance to the paper
26. 26.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
27. 27.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a steel spoon (d) a pebble
28. 28.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) turmeric powder
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
30. 30.True or false: vinegar is needed for the static comb. (a) True (b) False
31. 31.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a pebble
32. 32.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
33. 33.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
34. 34.🔮 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 falls straight down (d) it turns into water
35. 35.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
36. 36.⚖️ 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) the same comb (c) number of rubs
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a battery cell
39. 39.True or false: a plastic comb is needed for the static comb. (a) False (b) True
40. 40.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a brick

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