Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 247 · 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.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
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) dry hair
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same comb (d) the paper bit size
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
5. 5.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
6. 6.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) dry hair (d) thermocol bits
7. 7.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) puffed rice
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
10. 10.True or false: dry hair is not needed for the static comb. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a brick
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
13. 13.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
14. 14.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) dry hair
15. 15.⚖️ 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
16. 16.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) a thin water stream (d) tiny paper bits
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.True or false: vinegar is needed for the static comb. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) a mirror (d) turmeric powder
20. 20.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a plastic comb (d) vinegar
21. 21.⚖️ 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
22. 22.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) a balloon (d) a plastic comb
23. 23.⚖️ 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) the same comb
24. 24.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
25. 25.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a steel spoon (d) a brick
26. 26.True or false: a magnet is needed for the static comb. (a) True (b) False
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
28. 28.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
29. 29.⚖️ 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 hair (c) number of rubs
30. 30.⚖️ 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 keep it the same (c) we change it
31. 31.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
32. 32.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
33. 33.True or false: vinegar is not needed for the static comb. (a) True (b) False
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) yeast (d) vinegar
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
37. 37.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
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.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
40. 40.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a steel spoon (d) a pebble

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