Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 560 · 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.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) puffed rice
3. 3.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
4. 4.🛟 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
5. 5.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
6. 6.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (d) dew
7. 7.🧺 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) vinegar
8. 8.🧺 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) turmeric powder
9. 9.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
10. 10.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a plastic comb (d) a battery cell
11. 11.True or false: a brick jumps to a charged comb. (a) False (b) True
12. 12.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) a magnet (d) a battery cell
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) a balloon
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.True or false: a mirror is needed for the static comb. (a) True (b) False
16. 16.🔮 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 falls straight down (d) it sticks for a while
17. 17.True or false: a pebble does not move to a charged comb. (a) False (b) True
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
20. 20.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) tiny paper bits (d) puffed rice
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
22. 22.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
23. 23.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
24. 24.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a thin water stream (d) dry hair
25. 25.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
26. 26.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) the same hair (d) paper bits picked up
28. 28.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) turmeric powder (d) dry hair
30. 30.🔮 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 water freezes (d) the stream bends
31. 31.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
32. 32.⚖️ 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
33. 33.🧺 Do we need turmeric powder 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 change it (b) we keep it the same (c) we measure it
35. 35.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) tiny paper bits (d) a heavy book
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.⚖️ 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) distance to the paper
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True

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