Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 313 · 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? Which of these is the one thing we change? (a) the same hair (b) the paper bit size (c) paper bits picked up (d) number of rubs
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same comb
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) dry hair
6. 6.True or false: a balloon is not needed for the static comb. (a) False (b) True
7. 7.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
9. 9.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
10. 10.⚖️ 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
11. 11.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
12. 12.True or false: puffed rice does not move to a charged comb. (a) True (b) False
13. 13.⚖️ 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
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
15. 15.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
18. 18.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
19. 19.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
21. 21.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
24. 24.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) vinegar (d) a mirror
25. 25.True or false: a heavy book does not move to a charged comb. (a) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick
27. 27.True or false: dry hair is not needed for the static comb. (a) True (b) False
28. 28.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
29. 29.⚖️ 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) False (b) True
30. 30.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) thermocol bits (d) a pebble
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) thermocol bits (d) a pebble
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair
33. 33.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a brick (c) tiny paper bits (d) a thin water stream
34. 34.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same comb (c) number of rubs
36. 36.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a battery cell (d) a plastic comb
38. 38.True or false: a battery cell is not needed for the static comb. (a) True (b) False
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a steel spoon
40. 40.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move

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