Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 934 · 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 of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a thin water stream (d) a pebble
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) dry hair
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
6. 6.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
9. 9.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) puffed rice (d) tiny paper bits
10. 10.True or false: a magnet is not needed for the static comb. (a) False (b) True
11. 11.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a brick (d) a steel spoon
14. 14.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
15. 15.⚖️ 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
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
18. 18.True or false: vinegar is needed for the static comb. (a) False (b) True
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a mirror
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
22. 22.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a thin water stream (d) a heavy book
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
24. 24.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) dry hair
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the paper bit size (d) number of rubs
26. 26.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
27. 27.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a heavy book (d) a pebble
28. 28.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
29. 29.True or false: a mirror is not needed for the static comb. (a) True (b) False
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a plastic comb (d) tiny paper bits
31. 31.⚖️ 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
32. 32.True or false: puffed rice does not move to a charged comb. (a) True (b) False
33. 33.True or false: a plastic comb is needed for the static comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.⚖️ 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
36. 36.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
37. 37.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) a plastic comb
39. 39.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a plastic comb (d) a mirror
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) number of rubs (b) the paper bit size (c) the same comb (d) the same hair

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