Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 717 · 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? True or false: paper bits picked up is what we measure. (a) True (b) False
2. 2.⚖️ 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 change it (c) we keep it the same
3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a balloon (d) tiny paper bits
4. 4.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) puffed rice (d) a brick
5. 5.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
6. 6.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) yeast
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
14. 14.⚖️ 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) False (b) True
15. 15.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
17. 17.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a balloon (d) a magnet
18. 18.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
19. 19.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a pebble (d) a brick
20. 20.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) yeast
21. 21.True or false: a balloon is not needed for the static comb. (a) False (b) True
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) a balloon
23. 23.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a mirror
24. 24.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
25. 25.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
26. 26.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
27. 27.⚖️ 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
28. 28.🔮 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
29. 29.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
30. 30.⚖️ 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 comb (b) number of rubs (c) the same hair (d) distance to the paper
31. 31.True or false: a mirror is not needed for the static comb. (a) False (b) True
32. 32.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
33. 33.True or false: dry hair is not needed for the static comb. (a) True (b) False
34. 34.⚖️ 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) True (b) False
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
36. 36.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
37. 37.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
38. 38.⚖️ 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
39. 39.True or false: vinegar is needed for the static comb. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a heavy book (d) tiny paper bits

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