Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 668 · 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) tiny paper bits (b) a magnet (c) a balloon (d) a plastic comb
2. 2.True or false: vinegar is needed for the static comb. (a) True (b) False
3. 3.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) dry hair (d) a heavy book
4. 4.⚖️ 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 keep it the same (c) we change it
5. 5.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
6. 6.True or false: a mirror is not needed for the static comb. (a) False (b) True
7. 7.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
8. 8.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) a battery cell (d) vinegar
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
10. 10.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
11. 11.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
13. 13.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
14. 14.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a brick (d) puffed rice
16. 16.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
17. 17.🛟 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
18. 18.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
19. 19.True or false: dry hair jumps to a charged comb. (a) False (b) True
20. 20.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
21. 21.⚖️ 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) distance to the paper (c) number of rubs (d) the same comb
22. 22.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) a balloon
23. 23.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) dry hair (d) a steel spoon
24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) a thin water stream
25. 25.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) puffed rice (d) thermocol bits
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.True or false: vinegar is not needed for the static comb. (a) True (b) False
28. 28.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
29. 29.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) tiny paper bits (d) a thin water stream
30. 30.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
32. 32.True or false: a plastic comb is needed for the static comb. (a) True (b) False
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) vinegar
34. 34.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
35. 35.⚖️ 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
36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
38. 38.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a pebble (d) a steel spoon
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) a balloon (d) tiny paper bits
40. 40.True or false: a battery cell is needed for the static comb. (a) True (b) False

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