Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 317 · 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.🔮 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
2. 2.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a brick (d) a steel spoon
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a magnet
4. 4.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a steel spoon (d) a brick
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
6. 6.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a heavy book (d) tiny paper bits
7. 7.True or false: dry hair is not needed for the static comb. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
13. 13.True or false: yeast is needed for the static comb. (a) False (b) True
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
15. 15.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
16. 16.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) vinegar
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
19. 19.⚖️ 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) number of rubs (c) paper bits picked up (d) the paper bit size
20. 20.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
21. 21.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
22. 22.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
23. 23.True or false: a pebble does not move to a charged comb. (a) False (b) True
24. 24.True or false: a magnet is needed for the static comb. (a) True (b) False
25. 25.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
26. 26.True or false: turmeric powder is needed for the static comb. (a) False (b) True
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
28. 28.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) puffed rice
29. 29.🛟 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
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
32. 32.🧺 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) a battery cell
33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) dry hair
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a balloon (d) yeast
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) tiny paper bits (d) yeast
36. 36.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) dry hair
37. 37.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
39. 39.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) tiny paper bits (d) a plastic comb

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