Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 120 · 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: tiny paper bits jumps to a charged comb. (a) True (b) False
2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) tiny paper bits
3. 3.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
5. 5.⚖️ 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) number of rubs (c) the same comb (d) the paper bit size
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
9. 9.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) puffed rice (d) dry hair
10. 10.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a steel spoon
11. 11.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
12. 12.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) puffed rice (d) a brick
13. 13.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) thermocol bits (d) a heavy book
14. 14.🔮 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
15. 15.⚖️ 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
16. 16.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
19. 19.True or false: turmeric powder is needed for the static comb. (a) True (b) False
20. 20.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
21. 21.True or false: a mirror is needed for the static comb. (a) True (b) False
22. 22.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
23. 23.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
24. 24.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
26. 26.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
27. 27.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
31. 31.⚖️ 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) distance to the paper (c) number of rubs (d) the paper bit size
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a brick
33. 33.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
34. 34.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
35. 35.⚖️ 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) the same comb (c) paper bits picked up
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a battery cell (d) a plastic comb
38. 38.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed

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