Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 851 · 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.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
2. 2.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
8. 8.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ 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) number of rubs (c) paper bits picked up (d) the same hair
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
11. 11.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) thermocol bits (d) a thin water stream
12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
14. 14.True or false: a magnet is not needed for the static comb. (a) True (b) False
15. 15.True or false: dry hair is needed for the static comb. (a) False (b) True
16. 16.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
18. 18.True or false: vinegar is not needed for the static comb. (a) True (b) False
19. 19.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
20. 20.⚖️ 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) True (b) False
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) dry hair
24. 24.True or false: a balloon is not needed for the static comb. (a) False (b) True
25. 25.⚖️ 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 change it (c) we measure it
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) a heavy book (d) a pebble
27. 27.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) vinegar (d) a plastic comb
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) number of rubs (c) the same hair (d) distance to the paper
31. 31.🧺 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) dry hair
32. 32.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) tiny paper bits (d) dry hair
33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a pebble (d) a brick
34. 34.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the static comb? (a) a balloon (b) turmeric powder (c) a battery cell (d) a magnet
36. 36.True or false: dry hair is not needed for the static comb. (a) True (b) False
37. 37.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
38. 38.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a pebble
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
40. 40.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move

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