Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 457 · 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.⚖️ 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 measure it (c) we change it
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
5. 5.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
6. 6.⚖️ 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) number of rubs (c) distance to the paper (d) the paper bit size
7. 7.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a thin water stream (d) a pebble
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a brick (d) a steel spoon
10. 10.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) puffed rice
11. 11.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a brick
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
13. 13.True or false: a balloon is not needed for the static comb. (a) True (b) False
14. 14.True or false: dry hair is needed for the static comb. (a) True (b) False
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
16. 16.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
17. 17.True or false: yeast is not needed for the static comb. (a) False (b) True
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
19. 19.⚖️ 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 comb
20. 20.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) dry hair (d) a steel spoon
21. 21.⚖️ 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 keep it the same (c) we change it
22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a battery cell
24. 24.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
25. 25.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a brick (d) a thin water stream
26. 26.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
27. 27.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
28. 28.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
29. 29.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) vinegar (d) a magnet
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) puffed rice (d) tiny paper bits
32. 32.True or false: a brick jumps to a charged comb. (a) True (b) False
33. 33.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a mirror (d) yeast
34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) a heavy book (d) a steel spoon
35. 35.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book
36. 36.True or false: dry hair is not needed for the static comb. (a) False (b) True
37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
39. 39.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
40. 40.True or false: vinegar is needed for the static comb. (a) True (b) False

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