Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 850 · 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: a battery cell is not needed for the static comb. (a) True (b) False
2. 2.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) vinegar (d) a balloon
3. 3.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a steel spoon (d) dry hair
4. 4.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
5. 5.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
6. 6.True or false: a pebble jumps to a charged comb. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
8. 8.⚖️ 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) number of rubs (c) paper bits picked up (d) the same comb
9. 9.⚖️ 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
10. 10.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
14. 14.True or false: dry hair is needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
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) distance to the paper
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a steel spoon
20. 20.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
21. 21.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
22. 22.🧺 Which of these is needed for the static comb? (a) dry hair (b) a magnet (c) a mirror (d) vinegar
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
24. 24.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a plastic comb (d) tiny paper bits
26. 26.True or false: a brick does not move to a charged comb. (a) True (b) False
27. 27.⚖️ 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
28. 28.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the paper bit size (d) paper bits picked up
32. 32.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
33. 33.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
34. 34.⚖️ 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) True (b) False
35. 35.🔮 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
36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) dry hair
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) dry hair
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) a balloon
39. 39.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a brick (d) thermocol bits
40. 40.True or false: turmeric powder is needed for the static comb. (a) False (b) True

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