Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 524 · 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) vinegar (c) a plastic comb (d) a balloon
2. 2.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
5. 5.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a steel spoon
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (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 hair”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.🧺 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) a mirror
9. 9.True or false: yeast is not needed for the static comb. (a) False (b) True
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) turmeric powder
12. 12.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
13. 13.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) turmeric powder (d) vinegar
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) number of rubs (d) paper bits picked up
15. 15.True or false: a brick jumps to a charged comb. (a) True (b) False
16. 16.True or false: a balloon is needed for the static comb. (a) False (b) True
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
18. 18.⚖️ 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
19. 19.⚖️ 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) the paper bit size
20. 20.⚖️ 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
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
22. 22.True or false: dry hair is not needed for the static comb. (a) True (b) False
23. 23.⚖️ 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) True (b) False
24. 24.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
25. 25.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) turmeric powder (d) a balloon
26. 26.True or false: dry hair is needed for the static comb. (a) True (b) False
27. 27.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
28. 28.True or false: vinegar is needed for the static comb. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) yeast
30. 30.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) tiny paper bits (d) dry hair
31. 31.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
32. 32.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
33. 33.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a brick (d) a steel spoon
34. 34.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) puffed rice (d) a steel spoon
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a thin water stream (d) a steel spoon
36. 36.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
37. 37.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a brick
38. 38.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
39. 39.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
40. 40.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False

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