Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 8 · 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: tiny paper bits is needed for the static comb. (a) True (b) False
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
5. 5.🛟 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
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
7. 7.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) puffed rice (d) a pebble
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
11. 11.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
12. 12.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a steel spoon
13. 13.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) puffed rice (d) dry hair
14. 14.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) dry hair
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
16. 16.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
17. 17.🔮 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
18. 18.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) distance to the paper (d) the same comb
20. 20.True or false: dry hair jumps to a charged comb. (a) True (b) False
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
22. 22.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) thermocol bits (d) a thin water stream
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
24. 24.⚖️ 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) the same hair (d) paper bits picked up
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
26. 26.🧺 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) vinegar
27. 27.🔮 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 water freezes (d) the stream bends
28. 28.⚖️ 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
29. 29.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
30. 30.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a heavy book (c) thermocol bits (d) tiny paper bits
31. 31.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) tiny paper bits (d) a balloon
34. 34.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) vinegar (d) a plastic comb
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) dry hair (d) a mirror
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.True or false: yeast is not needed for the static comb. (a) False (b) True
38. 38.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a magnet (d) a balloon
39. 39.⚖️ 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
40. 40.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a mirror (d) a plastic comb

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