Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 920 · 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? True or false: number of rubs is kept the same. (a) False (b) True
2. 2.⚖️ 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) paper bits picked up (c) the paper bit size (d) the same comb
3. 3.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
4. 4.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
5. 5.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) dry hair (d) turmeric powder
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
7. 7.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a steel spoon
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same hair (d) the paper bit size
10. 10.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
11. 11.True or false: dry hair is not needed for the static comb. (a) False (b) True
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a plastic comb (d) tiny paper bits
14. 14.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
15. 15.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
16. 16.⚖️ 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 measure it (c) we keep it the same
17. 17.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
18. 18.True or false: yeast is not needed for the static comb. (a) False (b) True
19. 19.🧺 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) a battery cell
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
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 keep it the same (b) we measure it (c) we change it
22. 22.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a brick
23. 23.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a steel spoon (d) a heavy book
24. 24.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
25. 25.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
26. 26.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a heavy book
27. 27.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) gravity (d) sunlight
28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
31. 31.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a pebble (d) a brick
33. 33.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) dry hair (d) a plastic comb
34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) thermocol bits
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) tiny paper bits
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) thermocol bits (d) dry hair
37. 37.True or false: vinegar is not needed for the static comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
39. 39.True or false: a brick does not move to a charged comb. (a) False (b) True
40. 40.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed

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