Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 533 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) a balloon (d) dry hair
2. 2.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) thermocol bits
3. 3.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
4. 4.True or false: vinegar is needed for the static comb. (a) True (b) False
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
7. 7.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
8. 8.⚖️ 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 keep it the same (c) we measure it
9. 9.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
10. 10.True or false: dry hair is not needed for the static comb. (a) False (b) True
11. 11.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the static comb? (a) vinegar (b) tiny paper bits (c) a balloon (d) dry hair
13. 13.🔮 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
14. 14.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) a thin water stream
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 turns into water (c) it sticks for a while (d) it falls straight down
17. 17.True or false: a pebble jumps to a charged comb. (a) True (b) False
18. 18.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
20. 20.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a steel spoon (d) dry hair
21. 21.⚖️ 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
22. 22.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) thermocol bits (d) a steel spoon
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
25. 25.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
26. 26.True or false: puffed rice jumps to a charged comb. (a) False (b) True
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) distance to the paper (c) number of rubs (d) paper bits picked up
29. 29.True or false: turmeric powder is needed for the static comb. (a) False (b) True
30. 30.⚡ 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
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
33. 33.⚖️ 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
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
35. 35.True or false: dry hair is needed for the static comb. (a) False (b) True
36. 36.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
37. 37.True or false: a battery cell is needed for the static comb. (a) False (b) True
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a balloon (d) tiny paper bits
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) tiny paper bits

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