Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 68 · 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 big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.⚖️ 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
4. 4.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
6. 6.True or false: dry hair is not needed for the static comb. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
8. 8.🧺 Which of these is not needed for the static comb? (a) yeast (b) a plastic comb (c) tiny paper bits (d) a balloon
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) turmeric powder
10. 10.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
11. 11.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) a balloon
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) puffed rice (d) a steel spoon
14. 14.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a brick
16. 16.🔮 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 bursts at once (d) it sticks for a while
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
18. 18.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
20. 20.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
21. 21.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a pebble (d) a steel spoon
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
23. 23.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
24. 24.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) dry hair (d) a mirror
25. 25.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a pebble (d) puffed rice
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
27. 27.🛟 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
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
29. 29.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
30. 30.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a steel spoon (d) tiny paper bits
31. 31.True or false: a plastic comb is needed for the static comb. (a) False (b) True
32. 32.🧺 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) vinegar
33. 33.⚖️ 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) the paper bit size (c) paper bits picked up (d) the same comb
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
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) paper bits picked up (c) the paper bit size
36. 36.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
40. 40.True or false: a pebble jumps to a charged comb. (a) False (b) True

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