Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 550 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) dry hair (d) a balloon
2. 2.True or false: yeast is not needed for the static comb. (a) False (b) True
3. 3.🧺 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
4. 4.True or false: a brick does not move to a charged comb. (a) False (b) True
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
7. 7.⚖️ 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
8. 8.⚖️ 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
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
11. 11.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) the same comb (d) number of rubs
13. 13.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) a thin water stream
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
15. 15.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
16. 16.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a thin water stream (d) dry hair
17. 17.⚖️ 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
18. 18.⚖️ 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
19. 19.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
20. 20.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
22. 22.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
23. 23.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
24. 24.True or false: thermocol 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? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) a brick (d) a steel spoon
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
28. 28.True or false: puffed rice does not move to a charged comb. (a) True (b) False
29. 29.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
30. 30.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
31. 31.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) a mirror (d) vinegar
32. 32.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) thermocol bits (d) a thin water stream
34. 34.True or false: dry hair is not needed for the static comb. (a) False (b) True
35. 35.True or false: a magnet is not needed for the static comb. (a) False (b) True
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) dry hair
37. 37.⚖️ 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 same hair (c) the paper bit size (d) number of rubs
38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
39. 39.⚖️ 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) True (b) False
40. 40.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed

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