Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 172 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) vinegar
2. 2.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a brick
3. 3.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
4. 4.True or false: a mirror is needed for the static comb. (a) True (b) False
5. 5.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a brick (d) a heavy book
6. 6.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) tiny paper bits (d) puffed rice
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
10. 10.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
11. 11.⚖️ 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
12. 12.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) dry hair (d) tiny paper bits
14. 14.True or false: a pebble does not move to a charged comb. (a) True (b) False
15. 15.⚖️ 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 change it (c) we measure it
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) a balloon
17. 17.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
19. 19.True or false: puffed rice does not move to a charged comb. (a) True (b) False
20. 20.⚖️ 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 same comb (c) the same hair (d) paper bits picked up
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
24. 24.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
25. 25.True or false: a brick jumps to a charged comb. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) dry hair (d) a steel spoon
27. 27.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
29. 29.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
31. 31.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) a battery cell (d) yeast
32. 32.⚖️ 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) the same comb (c) paper bits picked up (d) number of rubs
33. 33.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a magnet (d) yeast
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) a plastic comb (d) tiny paper bits
35. 35.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
37. 37.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) dry hair
38. 38.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
39. 39.⚖️ 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) False (b) True
40. 40.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) dry hair (d) tiny paper bits

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