Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 372 · 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 is the odd one out? (a) tiny paper bits (b) dry hair (c) a steel spoon (d) puffed rice
2. 2.⚖️ 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) False (b) True
3. 3.⚖️ 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 change it (c) we keep it the same
4. 4.⚖️ 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) True (b) False
5. 5.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) a thin water stream
6. 6.True or false: yeast is needed for the static comb. (a) True (b) False
7. 7.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a pebble (d) tiny paper bits
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a plastic comb (d) tiny paper bits
10. 10.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the paper bit size (d) the same comb
12. 12.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a heavy book (d) a pebble
13. 13.True or false: a battery cell is not needed for the static comb. (a) False (b) True
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
16. 16.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) vinegar
18. 18.🛟 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
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
21. 21.⚡ 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
22. 22.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
24. 24.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a brick
25. 25.⚖️ 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 paper bit size
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) dry hair
28. 28.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
29. 29.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
31. 31.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
32. 32.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
33. 33.⚖️ 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 keep it the same (c) we measure it
34. 34.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
35. 35.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
37. 37.⚖️ 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 measure it (c) we keep it the same
38. 38.True or false: a mirror is needed for the static comb. (a) False (b) True
39. 39.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a brick
40. 40.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) turmeric powder (d) a magnet

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