Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 137 · 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: tiny paper bits does not move to a charged comb. (a) False (b) True
2. 2.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) dry hair
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a plastic comb (d) a balloon
5. 5.⚖️ 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
6. 6.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
7. 7.True or false: a magnet is not needed for the static comb. (a) True (b) False
8. 8.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) vinegar (d) a battery cell
10. 10.⚖️ 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
11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
12. 12.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
14. 14.⚖️ 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 change it (c) we keep it the same
15. 15.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a brick (d) puffed rice
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) number of rubs (d) paper bits picked up
17. 17.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
18. 18.True or false: dry hair is needed for the static comb. (a) True (b) False
19. 19.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
20. 20.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
22. 22.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
23. 23.⚖️ 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) distance to the paper
24. 24.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a brick (d) a thin water stream
25. 25.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
27. 27.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
28. 28.⚡ 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) they turn blue (d) nothing happens
29. 29.⚖️ 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) distance to the paper (c) number of rubs (d) the same comb
30. 30.⚖️ 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
31. 31.True or false: puffed rice jumps to a charged comb. (a) False (b) True
32. 32.True or false: a pebble jumps to a charged comb. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
34. 34.🧺 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
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.True or false: a battery cell is needed for the static comb. (a) True (b) False
37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
38. 38.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) dry hair
39. 39.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) puffed rice (d) a pebble
40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all

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