Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 370 · 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 is not needed for the static comb? (a) dry hair (b) vinegar (c) a balloon (d) tiny paper bits
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
4. 4.True or false: vinegar is not needed for the static comb. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a brick
6. 6.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) puffed rice
7. 7.True or false: vinegar is needed for the static comb. (a) True (b) False
8. 8.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
10. 10.True or false: a balloon is not needed for the static comb. (a) True (b) False
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
12. 12.⚖️ 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
13. 13.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
14. 14.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
15. 15.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) number of rubs (d) the same hair
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) a balloon
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) yeast
21. 21.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) dry hair (d) a heavy book
22. 22.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ 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) False (b) True
24. 24.True or false: yeast 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? True or false: the same hair is the one thing we change. (a) False (b) True
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the same comb (d) distance to the paper
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
30. 30.True or false: a battery cell is needed for the static comb. (a) True (b) False
31. 31.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
32. 32.True or false: a brick does not move to a charged comb. (a) False (b) True
33. 33.True or false: a plastic comb is needed for the static comb. (a) False (b) True
34. 34.True or false: a magnet is needed for the static comb. (a) False (b) True
35. 35.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
36. 36.⚖️ 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
37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
39. 39.True or false: a brick jumps to a charged comb. (a) False (b) True
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works

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