Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 454 · 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? True or false: number of rubs is kept the same. (a) True (b) False
2. 2.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a brick
6. 6.🛟 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
7. 7.True or false: a mirror is needed for the static comb. (a) False (b) True
8. 8.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
11. 11.🔮 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
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
14. 14.True or false: dry hair is needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a balloon
16. 16.⚖️ 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
17. 17.True or false: turmeric powder is needed for the static comb. (a) False (b) True
18. 18.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) magnetism (d) gravity
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) yeast
20. 20.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
21. 21.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a steel spoon (d) tiny paper bits
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) tiny paper bits (d) puffed rice
24. 24.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a mirror
25. 25.True or false: a balloon is not needed for the static comb. (a) True (b) False
26. 26.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) vinegar (d) a battery cell
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) paper bits picked up (d) the same comb
28. 28.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) tiny paper bits
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
33. 33.⚖️ 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
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
35. 35.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
36. 36.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a brick (d) a pebble
37. 37.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) yeast (d) a magnet
38. 38.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) turmeric powder (d) tiny paper bits
39. 39.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
40. 40.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False

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