Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 867 · 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 of these is needed for the static comb? (a) vinegar (b) a battery cell (c) yeast (d) tiny paper bits
2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) tiny paper bits (d) dry hair
3. 3.True or false: vinegar is not needed for the static comb. (a) True (b) False
4. 4.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
6. 6.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
7. 7.True or false: a battery cell is not needed for the static comb. (a) False (b) True
8. 8.⚖️ 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 same hair (c) number of rubs (d) distance to the paper
9. 9.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
10. 10.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) puffed rice (d) a brick
11. 11.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a steel spoon (d) a brick
12. 12.⚖️ 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
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
14. 14.True or false: dry hair jumps to a charged comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) tiny paper bits (d) dry hair
16. 16.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a plastic comb (d) a magnet
17. 17.🧺 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
18. 18.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a steel spoon
19. 19.⚖️ 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
20. 20.⚖️ 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 paper bit size (c) number of rubs
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
22. 22.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a heavy book
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) vinegar
24. 24.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a magnet (c) dry hair (d) a balloon
25. 25.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
26. 26.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
27. 27.⚖️ 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 measure it (c) we change it
28. 28.True or false: a balloon is not needed for the static comb. (a) True (b) False
29. 29.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
30. 30.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
31. 31.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
33. 33.⚖️ 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
34. 34.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
35. 35.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) tiny paper bits
36. 36.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) thermocol bits
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
38. 38.⚖️ 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
39. 39.⚖️ 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) True (b) False
40. 40.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) dry hair (d) a heavy book

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