Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 780 · 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: puffed rice jumps to a charged comb. (a) False (b) True
2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) puffed rice (d) dry hair
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) vinegar
4. 4.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a plastic comb (d) a balloon
6. 6.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) tiny paper bits
7. 7.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
8. 8.⚡ Which of these does not move to a charged comb? (a) a pebble (b) a thin water stream (c) tiny paper bits (d) dry hair
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
10. 10.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) vinegar (d) a plastic comb
11. 11.True or false: dry hair is not needed for the static comb. (a) True (b) False
12. 12.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
13. 13.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
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) True (b) False
15. 15.⚡ 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
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
17. 17.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) vinegar
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.⚖️ 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
20. 20.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
21. 21.⚖️ 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
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
23. 23.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a brick (d) tiny paper bits
24. 24.True or false: a battery cell is needed for the static comb. (a) False (b) True
25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
26. 26.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
27. 27.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a heavy book (d) tiny paper bits
28. 28.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) puffed rice (d) a brick
29. 29.⚖️ 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) the paper bit size (d) paper bits picked up
30. 30.True or false: a battery cell is not needed for the static comb. (a) True (b) False
31. 31.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
32. 32.True or false: a brick jumps to a charged comb. (a) False (b) True
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same hair (d) distance to the paper
34. 34.⚖️ 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 keep it the same (c) we measure it
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
36. 36.⚖️ 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 keep it the same (c) we change it
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) dry hair (d) a balloon
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
39. 39.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False

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