Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 774 · 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.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a heavy book
3. 3.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
4. 4.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a heavy book (d) a steel spoon
5. 5.True or false: a battery cell is not needed for the static comb. (a) False (b) True
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
7. 7.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a mirror (d) dry hair
8. 8.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
9. 9.True or false: a pebble jumps to a charged comb. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a heavy book
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) turmeric powder
12. 12.⚖️ 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) number of rubs (c) paper bits picked up
13. 13.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) dry hair (d) tiny paper bits
14. 14.True or false: turmeric powder is needed for the static comb. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) tiny paper bits (d) a thin water stream
16. 16.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a pebble (d) tiny paper bits
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) dry hair
19. 19.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
20. 20.True or false: a pebble does not move to a charged comb. (a) False (b) True
21. 21.⚖️ 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
22. 22.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
23. 23.🔮 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 sticks for a while (d) it bursts at once
24. 24.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
25. 25.⚖️ 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
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a plastic comb (d) tiny paper bits
28. 28.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
29. 29.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
30. 30.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
31. 31.True or false: yeast is needed for the static comb. (a) True (b) False
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
36. 36.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) vinegar (d) turmeric powder
37. 37.True or false: a battery cell is needed for the static comb. (a) False (b) True
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
39. 39.⚖️ 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
40. 40.⚖️ 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) True (b) False

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