Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 266 · 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 of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a brick (d) a heavy book
2. 2.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) they turn wet (d) nothing happens
3. 3.True or false: a brick jumps to a charged comb. (a) True (b) False
4. 4.True or false: dry hair is not needed for the static comb. (a) False (b) True
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) the same comb (d) distance to the paper
7. 7.⚖️ 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 change it (c) we keep it the same
8. 8.⚖️ 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) number of rubs (c) the same hair
9. 9.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a thin water stream (d) a heavy book
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a brick
11. 11.⚖️ 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 keep it the same (c) we change it
12. 12.🔮 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
13. 13.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
15. 15.⚖️ 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) True (b) False
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
18. 18.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) a thin water stream
19. 19.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) tiny paper bits
20. 20.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a steel spoon
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a plastic comb (d) tiny paper bits
22. 22.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a thin water stream (d) tiny paper bits
24. 24.🛟 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
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) tiny paper bits
26. 26.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) puffed rice
28. 28.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
29. 29.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
30. 30.⚖️ 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 measure it (c) we change it
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) yeast (d) a plastic comb
32. 32.⚖️ 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) the same comb (c) distance to the paper (d) paper bits picked up
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
34. 34.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
35. 35.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
36. 36.True or false: a pebble jumps to a charged comb. (a) True (b) False
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
38. 38.True or false: vinegar is not needed for the static comb. (a) True (b) False
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
40. 40.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a pebble (d) a brick

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