Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 151 · 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 big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a battery cell (d) a plastic comb
3. 3.True or false: a plastic comb is needed for the static comb. (a) True (b) False
4. 4.🛟 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
5. 5.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
6. 6.True or false: yeast is needed for the static comb. (a) False (b) True
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) a balloon (d) dry hair
8. 8.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
9. 9.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) tiny paper bits
11. 11.⚖️ 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
12. 12.🔮 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
13. 13.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
14. 14.⚖️ 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
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the paper bit size (c) number of rubs (d) the same comb
16. 16.⚖️ 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
17. 17.True or false: vinegar is not needed for the static comb. (a) False (b) True
18. 18.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) tiny paper bits
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a mirror
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a balloon (d) a battery cell
22. 22.True or false: puffed rice jumps to a charged comb. (a) True (b) False
23. 23.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) tiny paper bits
25. 25.True or false: a magnet is not needed for the static comb. (a) True (b) False
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) the same hair (d) distance to the paper
27. 27.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
28. 28.⚖️ 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
29. 29.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
30. 30.🛟 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
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) tiny paper bits
32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) dry hair
33. 33.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
34. 34.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
35. 35.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
36. 36.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
39. 39.⚖️ 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
40. 40.⚖️ 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

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