Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 642 · 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) True (b) False
2. 2.⚖️ 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 keep it the same (c) we change it
3. 3.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a thin water stream (d) dry hair
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a plastic comb
5. 5.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
6. 6.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
7. 7.⚖️ 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
8. 8.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
11. 11.⚖️ 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 same hair (c) paper bits picked up (d) distance to the paper
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same comb (c) number of rubs
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) the same comb (d) paper bits picked up
14. 14.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) tiny paper bits (d) dry hair
19. 19.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚖️ 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 change it (c) we keep it the same
23. 23.True or false: a pebble does not move to a charged comb. (a) True (b) False
24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) dry hair (d) a brick
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) a balloon
26. 26.True or false: vinegar is not needed for the static comb. (a) True (b) False
27. 27.⚖️ 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) False (b) True
28. 28.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
29. 29.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
30. 30.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
31. 31.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
32. 32.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a balloon (d) vinegar
33. 33.⚖️ 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
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) tiny paper bits
35. 35.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) dry hair (d) a battery cell
38. 38.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) thermocol bits (d) a thin water stream
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
40. 40.True or false: puffed rice does not move to a charged comb. (a) True (b) False

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