Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 549 · 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 of these is not needed for the static comb? (a) dry hair (b) a magnet (c) a balloon (d) a plastic comb
2. 2.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) a battery cell (d) turmeric powder
3. 3.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
4. 4.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
6. 6.⚖️ 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 same hair (c) the same comb (d) number of rubs
7. 7.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) thermocol bits (d) a brick
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) tiny paper bits (d) dry hair
10. 10.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a pebble (d) a brick
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a pebble (d) puffed rice
14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
16. 16.True or false: a brick jumps to a charged comb. (a) False (b) True
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) dry hair
18. 18.⚖️ 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) distance to the paper (c) number of rubs (d) the same comb
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
21. 21.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) yeast (d) a magnet
22. 22.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
23. 23.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
25. 25.True or false: a magnet is needed for the static comb. (a) False (b) True
26. 26.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
27. 27.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
28. 28.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a steel spoon (d) puffed rice
29. 29.True or false: a plastic comb is needed for the static comb. (a) True (b) False
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
31. 31.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) turmeric powder (d) a plastic comb
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) dry hair
33. 33.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
35. 35.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
36. 36.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) puffed rice
37. 37.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
40. 40.⚖️ 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

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