Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 959 · 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.True or false: turmeric powder is needed for the static comb. (a) False (b) True
2. 2.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
3. 3.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) thermocol bits (d) puffed rice
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a steel spoon (d) puffed rice
6. 6.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a brick
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
8. 8.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) puffed rice
9. 9.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
10. 10.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a brick (d) puffed rice
11. 11.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) puffed rice (d) a thin water stream
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a mirror (d) dry hair
13. 13.⚖️ 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
14. 14.⚖️ 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 hair (b) paper bits picked up (c) number of rubs (d) the paper bit size
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) tiny paper bits
16. 16.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
17. 17.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a steel spoon (d) tiny paper bits
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
20. 20.⚖️ 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 paper bit size (c) distance to the paper (d) the same hair
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) tiny paper bits
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
26. 26.⚖️ 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
27. 27.True or false: dry hair is needed for the static comb. (a) True (b) False
28. 28.True or false: a mirror is not needed for the static comb. (a) False (b) True
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
31. 31.⚖️ 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 keep it the same (c) we measure it
32. 32.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a thin water stream (d) dry hair
34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a magnet (d) a balloon
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) vinegar
37. 37.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) dry hair (d) a pebble
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) dry hair
39. 39.True or false: a plastic comb 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? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs

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