Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 119 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the paper bit size (c) number of rubs (d) distance to the paper
2. 2.🧺 Which of these is needed for the static comb? (a) dry hair (b) vinegar (c) turmeric powder (d) a battery cell
3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a magnet (c) dry hair (d) tiny paper bits
4. 4.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
5. 5.True or false: dry hair is needed for the static comb. (a) True (b) False
6. 6.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
7. 7.⚖️ 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 same hair (d) the paper bit size
8. 8.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
9. 9.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
10. 10.True or false: vinegar is needed for the static comb. (a) False (b) True
11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) vinegar (d) tiny paper bits
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
13. 13.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
14. 14.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) thermocol bits
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
16. 16.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
18. 18.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
19. 19.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
20. 20.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
21. 21.🔮 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
22. 22.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a brick (d) a steel spoon
23. 23.⚡ 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
24. 24.⚖️ 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
25. 25.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) tiny paper bits (d) a mirror
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
27. 27.⚖️ 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
28. 28.⚖️ 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
29. 29.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
31. 31.True or false: a pebble jumps to a charged comb. (a) False (b) True
32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
33. 33.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
34. 34.⚖️ 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 keep it the same (c) we change it
35. 35.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a brick (d) a pebble
37. 37.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) dry hair (d) a heavy book
38. 38.True or false: a balloon is needed for the static comb. (a) False (b) True
39. 39.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
40. 40.True or false: dry hair does not move to a charged comb. (a) True (b) False

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