Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 592 · 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: the paper bit size is the one thing we change. (a) True (b) False
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
3. 3.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) tiny paper bits
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
5. 5.🛟 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
6. 6.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) thermocol bits
7. 7.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
10. 10.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) dry hair
11. 11.True or false: a magnet is needed for the static comb. (a) False (b) True
12. 12.True or false: a battery cell is needed for the static comb. (a) False (b) True
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
14. 14.⚖️ 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
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) dry hair
18. 18.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a battery cell (d) a plastic comb
20. 20.True or false: a balloon is needed for the static comb. (a) True (b) False
21. 21.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
22. 22.⚖️ 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) False (b) True
23. 23.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
25. 25.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) tiny paper bits (d) a steel spoon
26. 26.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
27. 27.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a brick (d) a steel spoon
28. 28.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) a mirror (d) vinegar
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) the paper bit size (c) the same comb (d) number of rubs
30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
31. 31.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
32. 32.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
33. 33.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
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 measure it (b) we change it (c) we keep it the same
35. 35.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) puffed rice
36. 36.True or false: a brick jumps to a charged comb. (a) False (b) True
37. 37.⚖️ 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 comb (b) the same hair (c) paper bits picked up (d) number of rubs
38. 38.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a heavy book (d) tiny paper bits
39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same

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