Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 438 · 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) number of rubs (b) the same hair (c) the paper bit size (d) distance to the paper
2. 2.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
4. 4.⚖️ 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
5. 5.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
6. 6.🧺 Which of these is needed for the static comb? (a) vinegar (b) a balloon (c) a battery cell (d) turmeric powder
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) vinegar
8. 8.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
11. 11.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
13. 13.True or false: a pebble does not move to a charged comb. (a) True (b) False
14. 14.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
15. 15.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
16. 16.True or false: a plastic comb is needed for the static comb. (a) True (b) False
17. 17.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
18. 18.True or false: a battery cell is needed for the static comb. (a) True (b) False
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
20. 20.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
22. 22.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
24. 24.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a battery cell (d) dry hair
25. 25.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a mirror (d) vinegar
26. 26.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a magnet (d) tiny paper bits
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
28. 28.True or false: a heavy book jumps to a charged comb. (a) True (b) False
29. 29.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
30. 30.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
31. 31.🛟 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 plastic comb (d) a rubbed balloon
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) dry hair (d) a heavy book
33. 33.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
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 keep it the same (b) we measure it (c) we change it
35. 35.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
36. 36.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a pebble (d) a heavy book
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the same comb (d) the paper bit size
38. 38.⚖️ 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
39. 39.🔮 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
40. 40.True or false: a mirror is not needed for the static comb. (a) True (b) False

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