Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 617 · 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: dry hair jumps to a charged comb. (a) True (b) False
2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
3. 3.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a heavy book
4. 4.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
6. 6.⚖️ 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
7. 7.🛟 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
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
9. 9.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) tiny paper bits (d) puffed rice
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
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 hair (b) number of rubs (c) paper bits picked up (d) the same comb
12. 12.⚖️ 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 paper bit size (c) the same hair (d) number of rubs
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) a plastic comb
14. 14.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) turmeric powder (d) tiny paper bits
16. 16.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
18. 18.True or false: dry hair does not move to a charged comb. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a plastic comb (d) a battery cell
20. 20.True or false: a brick jumps to a charged comb. (a) False (b) True
21. 21.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
22. 22.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a pebble (d) a thin water stream
23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
24. 24.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) dry hair
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) a balloon (d) dry hair
26. 26.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
27. 27.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
28. 28.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a heavy book (d) a brick
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) vinegar (d) a mirror
31. 31.⚖️ 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 measure it (c) we keep it the same
32. 32.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) thermocol bits (d) tiny paper bits
33. 33.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
34. 34.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
35. 35.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
37. 37.True or false: a battery cell is needed for the static comb. (a) True (b) False
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
39. 39.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
40. 40.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed

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