Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 485 · 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.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a magnet
2. 2.⚡ 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 blue (d) they turn wet
3. 3.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
4. 4.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) wet hair is magnetic (d) water adds charge
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
8. 8.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a brick
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.⚖️ 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 measure it (c) we change it
12. 12.True or false: dry hair 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 kept the same. (a) True (b) False
14. 14.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a brick (d) tiny paper bits
15. 15.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
16. 16.🛟 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) a rubbed balloon (d) plug points at home
17. 17.⚡ Which of these does not move to a charged comb? (a) a pebble (b) puffed rice (c) thermocol bits (d) dry hair
18. 18.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
19. 19.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
21. 21.⚖️ 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
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
23. 23.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.True or false: a magnet is not needed for the static comb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) thermocol bits (d) a heavy book
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
29. 29.⚖️ 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) paper bits picked up (d) the paper bit size
30. 30.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a heavy book (d) a steel spoon
31. 31.🔮 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
32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
33. 33.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
34. 34.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a brick (d) a pebble
35. 35.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) dry hair
36. 36.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) thermocol bits (d) tiny paper bits
37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a battery cell (d) dry hair
38. 38.⚖️ 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
39. 39.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
40. 40.True or false: a heavy book jumps to a charged comb. (a) False (b) True

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