Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 82 · 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.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a pebble
2. 2.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
3. 3.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) tiny paper bits (d) vinegar
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
5. 5.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
6. 6.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
7. 7.True or false: dry hair is needed for the static comb. (a) False (b) True
8. 8.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
9. 9.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a steel spoon (d) tiny paper bits
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
11. 11.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a steel spoon (d) a heavy book
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a balloon
14. 14.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) puffed rice (d) a heavy book
15. 15.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a heavy book (d) a pebble
16. 16.True or false: a mirror is not needed for the static comb. (a) False (b) True
17. 17.True or false: vinegar is needed for the static comb. (a) False (b) True
18. 18.⚖️ 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) distance to the paper (c) paper bits picked up (d) the same hair
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) tiny paper bits (d) a balloon
21. 21.True or false: puffed rice jumps to a charged comb. (a) False (b) True
22. 22.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
24. 24.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a pebble (d) a thin water stream
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
26. 26.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) puffed rice (d) thermocol bits
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
29. 29.⚖️ 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
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) vinegar
32. 32.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
35. 35.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a pebble
36. 36.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a brick
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) paper bits picked up (d) the paper bit size
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True

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