Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 721 · 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.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
2. 2.⚖️ 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 change it (c) we measure it
3. 3.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a brick (d) puffed rice
4. 4.True or false: turmeric powder is needed for the static comb. (a) True (b) False
5. 5.⚡ 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
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
7. 7.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
8. 8.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) tiny paper bits (d) turmeric powder
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.⚖️ 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 same hair (c) distance to the paper (d) the paper bit size
11. 11.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
18. 18.⚖️ 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
19. 19.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a pebble (d) tiny paper bits
22. 22.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
24. 24.True or false: a battery cell is not needed for the static comb. (a) False (b) True
25. 25.True or false: dry hair is needed for the static comb. (a) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a brick (d) a steel spoon
27. 27.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.True or false: vinegar is not needed for the static comb. (a) False (b) True
30. 30.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) a plastic comb (d) a balloon
31. 31.⚖️ 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) the same comb (c) number of rubs (d) the paper bit size
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits
33. 33.True or false: dry hair jumps to a charged comb. (a) True (b) False
34. 34.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a mirror (d) a plastic comb
36. 36.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
38. 38.True or false: dry hair does not move to a charged comb. (a) False (b) True
39. 39.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb

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