Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 76 · 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: distance to the paper is the one thing we change. (a) True (b) False
2. 2.True or false: dry hair is needed for the static comb. (a) False (b) True
3. 3.True or false: a pebble does not move to a charged comb. (a) False (b) True
4. 4.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
6. 6.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
7. 7.🛟 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
8. 8.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
9. 9.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
10. 10.⚖️ 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) the same comb (c) distance to the paper (d) the same hair
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) yeast
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
16. 16.⚖️ 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) the same hair
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a thin water stream (d) a steel spoon
19. 19.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
20. 20.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
21. 21.True or false: a brick jumps to a charged comb. (a) True (b) False
22. 22.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
23. 23.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a pebble
24. 24.🛟 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
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.True or false: a heavy book jumps to a charged comb. (a) True (b) False
27. 27.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a battery cell (d) a plastic comb
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) turmeric powder
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a battery cell
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.True or false: puffed rice jumps to a charged comb. (a) False (b) True
35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a pebble (d) a heavy book
36. 36.True or false: a plastic comb is needed for the static comb. (a) False (b) True
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) a thin water stream (d) tiny paper bits
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
40. 40.⚖️ 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

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