Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 453 · 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 “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.True or false: a pebble does not move to a charged comb. (a) False (b) True
3. 3.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a magnet (d) dry hair
4. 4.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
5. 5.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
6. 6.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a brick (d) a pebble
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) tiny paper bits (d) a plastic comb
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) distance to the paper (d) the paper bit size
11. 11.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
12. 12.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
15. 15.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.⚡ 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
19. 19.🧺 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) turmeric powder
20. 20.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
21. 21.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
22. 22.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) a battery cell (d) tiny paper bits
24. 24.True or false: turmeric powder is needed for the static comb. (a) False (b) True
25. 25.True or false: dry hair is not needed for the static comb. (a) True (b) False
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) dry hair (d) tiny paper bits
27. 27.⚖️ 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
28. 28.⚖️ 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
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 comb (b) distance to the paper (c) number of rubs (d) the paper bit size
30. 30.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
31. 31.🛟 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
32. 32.True or false: yeast is not needed for the static comb. (a) False (b) True
33. 33.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a steel spoon
35. 35.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) a plastic comb
38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
40. 40.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a steel spoon (d) dry hair

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