Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 164 · 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? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.⚖️ 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
3. 3.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb
5. 5.⚖️ 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) number of rubs (c) paper bits picked up (d) the same hair
6. 6.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
7. 7.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) dry hair (d) a balloon
9. 9.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
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 measure it (b) we change it (c) we keep it the same
11. 11.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) puffed rice (d) dry hair
12. 12.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
15. 15.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) dry hair (d) tiny paper bits
17. 17.True or false: a battery cell is needed for the static comb. (a) False (b) True
18. 18.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) tiny paper bits (d) a thin water stream
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a balloon (d) dry hair
20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a heavy book (d) a steel spoon
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
22. 22.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a heavy book
23. 23.⚖️ 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
24. 24.True or false: vinegar is needed for the static comb. (a) False (b) True
25. 25.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
26. 26.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a balloon (d) a magnet
27. 27.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
28. 28.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
29. 29.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
30. 30.True or false: a plastic comb is needed for the static comb. (a) True (b) False
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
32. 32.True or false: a magnet is not needed for the static comb. (a) True (b) False
33. 33.⚖️ 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
34. 34.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
35. 35.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) dry hair (d) a thin water stream
37. 37.⚖️ 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
38. 38.⚖️ 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) True (b) False
39. 39.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
40. 40.⚖️ 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) distance to the paper (c) number of rubs (d) the paper bit size

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