Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 821 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
3. 3.⚡ 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
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
5. 5.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a balloon (d) a plastic comb
7. 7.⚖️ 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
8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a magnet (d) tiny paper bits
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) tiny paper bits
12. 12.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) a plastic comb (d) a mirror
13. 13.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a steel spoon
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb
16. 16.True or false: a brick does not move to a charged comb. (a) True (b) False
17. 17.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
18. 18.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) tiny paper bits (d) thermocol bits
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
20. 20.⚖️ 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) number of rubs (c) distance to the paper (d) paper bits picked up
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
22. 22.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) thermocol bits (d) a pebble
23. 23.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
24. 24.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
25. 25.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
26. 26.True or false: a magnet is needed for the static comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a steel spoon
28. 28.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the same hair
30. 30.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
31. 31.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a balloon (d) a battery cell
32. 32.True or false: a magnet is not needed for the static comb. (a) True (b) False
33. 33.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) dry hair (c) thermocol bits (d) a thin water stream
34. 34.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
39. 39.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble

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