Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 852 · 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: a balloon is needed for the static comb. (a) True (b) False
2. 2.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
3. 3.True or false: turmeric powder is needed for the static comb. (a) False (b) True
4. 4.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a heavy book (d) a thin water stream
5. 5.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
6. 6.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
8. 8.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a pebble (d) thermocol bits
9. 9.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
10. 10.⚖️ 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) the same hair
11. 11.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a heavy book (d) dry hair
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) the same hair (d) distance to the paper
14. 14.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
15. 15.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) a battery cell (d) yeast
16. 16.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) the wind (d) dew
17. 17.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
18. 18.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) thermocol bits (d) puffed rice
19. 19.True or false: a mirror is not needed for the static comb. (a) True (b) False
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) dry hair (d) a balloon
21. 21.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
22. 22.🛟 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
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
25. 25.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
26. 26.True or false: a pebble does not move to a charged comb. (a) True (b) False
27. 27.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) yeast (d) tiny paper bits
28. 28.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) thermocol bits
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a mirror (d) a plastic comb
31. 31.⚖️ 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
32. 32.True or false: yeast is needed for the static comb. (a) False (b) True
33. 33.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
34. 34.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) yeast (d) turmeric powder
35. 35.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
36. 36.True or false: a battery cell is not needed for the static comb. (a) True (b) False
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? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed

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