Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 651 · 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 balloon for the static comb? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
4. 4.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) puffed rice (d) a thin water stream
5. 5.⚖️ 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) True (b) False
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
7. 7.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
8. 8.⚖️ 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
9. 9.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a heavy book (d) a steel spoon
10. 10.⚖️ 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) False (b) True
11. 11.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) tiny paper bits (d) a heavy book
12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
13. 13.🛟 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
14. 14.⚖️ 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) the paper bit size
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) a balloon
16. 16.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a balloon
19. 19.True or false: dry hair is needed for the static comb. (a) False (b) True
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.True or false: dry hair jumps to a charged comb. (a) False (b) True
22. 22.True or false: a mirror is not needed for the static comb. (a) False (b) True
23. 23.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
24. 24.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a pebble (d) a thin water stream
25. 25.⚡ 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
26. 26.True or false: puffed rice does not move to a charged comb. (a) True (b) False
27. 27.⚖️ 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 measure it (c) we keep it the same
28. 28.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a balloon (d) turmeric powder
29. 29.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) thermocol bits (d) dry hair
31. 31.True or false: yeast is not needed for the static comb. (a) True (b) False
32. 32.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) a balloon (d) dry hair
34. 34.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a brick (d) a heavy book
35. 35.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
37. 37.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
38. 38.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) a thin water stream
39. 39.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
40. 40.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) tiny paper bits (d) puffed rice

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