Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 84 · 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? True or false: number of rubs is the one thing we change. (a) True (b) False
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a mirror
5. 5.⚖️ 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 change it (c) we measure it
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
7. 7.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
8. 8.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) a plastic comb (d) dry hair
9. 9.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
10. 10.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) a thin water stream (d) dry hair
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
14. 14.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) a balloon
18. 18.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
19. 19.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
20. 20.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) the wind (d) dew
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a heavy book
27. 27.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) vinegar (d) a battery cell
28. 28.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
29. 29.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
30. 30.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
31. 31.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a balloon (d) a mirror
32. 32.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) a thin water stream
33. 33.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
35. 35.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a magnet (d) tiny paper bits
36. 36.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) thermocol bits
37. 37.⚖️ 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
38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
39. 39.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) number of rubs (d) paper bits picked up

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