Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 101 · 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.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
2. 2.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) tiny paper bits (d) puffed rice
4. 4.True or false: a heavy book does not move to a charged comb. (a) True (b) False
5. 5.True or false: a pebble jumps to a charged comb. (a) True (b) False
6. 6.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
8. 8.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
10. 10.⚖️ 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
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
12. 12.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a heavy book
13. 13.⚖️ 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 change it (c) we measure it
14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a brick
15. 15.⚖️ 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) the paper bit size (c) the same hair (d) number of rubs
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) thermocol bits (d) a pebble
18. 18.⚖️ 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
19. 19.🛟 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
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
21. 21.⚖️ 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
22. 22.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
23. 23.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
24. 24.True or false: a magnet is needed for the static comb. (a) True (b) False
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
26. 26.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) turmeric powder (d) yeast
27. 27.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) thermocol bits (d) a pebble
28. 28.⚡ 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
29. 29.⚖️ 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
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a thin water stream (d) tiny paper bits
32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a brick
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) distance to the paper
34. 34.True or false: turmeric powder is needed for the static comb. (a) True (b) False
35. 35.True or false: vinegar is not needed for the static comb. (a) True (b) False
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a battery cell
37. 37.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
39. 39.True or false: a battery cell is not needed for the static comb. (a) True (b) False
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) False (b) True

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