Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 938 · 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: a brick does not move to a charged comb. (a) False (b) True
2. 2.True or false: a mirror is not needed for the static comb. (a) False (b) True
3. 3.True or false: puffed rice does not move to a charged comb. (a) True (b) False
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
5. 5.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
6. 6.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) distance to the paper
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) tiny paper bits (d) a balloon
10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
11. 11.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
12. 12.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
13. 13.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) a thin water stream (d) tiny paper bits
14. 14.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
15. 15.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
16. 16.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) a balloon (d) a plastic comb
17. 17.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
18. 18.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
19. 19.⚖️ 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 measure it (c) we change it
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same hair (c) the paper bit size (d) paper bits picked up
21. 21.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) a plastic comb (d) tiny paper bits
22. 22.⚖️ 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
23. 23.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a balloon (d) tiny paper bits
25. 25.⚖️ 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) False (b) True
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
29. 29.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) tiny paper bits (d) a plastic comb
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
33. 33.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
34. 34.True or false: a mirror is needed for the static comb. (a) False (b) True
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) puffed rice (d) a steel spoon
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) tiny paper bits
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) turmeric powder
40. 40.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed

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