Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 598 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) a balloon
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) the paper bit size
7. 7.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
8. 8.🧺 Which of these is needed for the static comb? (a) a balloon (b) a battery cell (c) a mirror (d) yeast
9. 9.True or false: a balloon is not needed for the static comb. (a) False (b) True
10. 10.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) a thin water stream
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
17. 17.⚖️ 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
18. 18.True or false: a mirror is not needed for the static comb. (a) False (b) True
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
20. 20.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
21. 21.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a plastic comb (d) yeast
22. 22.True or false: vinegar is needed for the static comb. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a pebble (d) dry hair
24. 24.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
25. 25.🧺 Which of these is not needed for the static comb? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
26. 26.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) a plastic comb
29. 29.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a pebble (d) a steel spoon
30. 30.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a thin water stream (d) a steel spoon
31. 31.⚖️ 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) number of rubs (c) distance to the paper
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a plastic comb (d) tiny paper bits
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
34. 34.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a thin water stream (d) a heavy book
35. 35.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
36. 36.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) yeast (d) tiny paper bits
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
39. 39.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) dry hair (d) a pebble
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) yeast

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