Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 297 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) tiny paper bits (d) dry hair
2. 2.True or false: a pebble jumps to a charged comb. (a) False (b) True
3. 3.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) dry hair (d) a pebble
4. 4.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a thin water stream (d) a heavy book
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
7. 7.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
8. 8.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
9. 9.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
10. 10.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) tiny paper bits (d) a plastic comb
11. 11.⚖️ 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 comb (c) number of rubs
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
14. 14.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) a thin water stream (d) puffed rice
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
17. 17.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a steel spoon
18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a mirror (d) a plastic comb
19. 19.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) a plastic comb
22. 22.True or false: a mirror is not needed for the static comb. (a) True (b) False
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
24. 24.True or false: a balloon is needed for the static comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the same comb (d) paper bits picked up
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
27. 27.True or false: vinegar is needed for the static comb. (a) True (b) False
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) dry hair
29. 29.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) tiny paper bits
30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) dry hair (d) turmeric powder
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
32. 32.True or false: yeast is needed for the static comb. (a) True (b) False
33. 33.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) tiny paper bits (d) a mirror
34. 34.True or false: dry hair jumps to a charged comb. (a) False (b) True
35. 35.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
36. 36.🔮 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
37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) dry hair
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a mirror
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) vinegar

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