Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 364 · 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: a mirror is needed for the static comb. (a) False (b) True
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
3. 3.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a steel spoon (c) a brick (d) a heavy book
4. 4.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
6. 6.True or false: a magnet is needed for the static comb. (a) False (b) True
7. 7.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
8. 8.⚖️ 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
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
10. 10.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a steel spoon
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) distance to the paper
13. 13.True or false: a magnet is not needed for the static comb. (a) True (b) False
14. 14.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
15. 15.⚡ 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) they turn blue (d) nothing happens
16. 16.⚖️ 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) False (b) True
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) dry hair (d) tiny paper bits
18. 18.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a plastic comb (d) vinegar
19. 19.True or false: a mirror is not needed for the static comb. (a) False (b) True
20. 20.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
21. 21.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
22. 22.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) tiny paper bits (d) yeast
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) dry hair
24. 24.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) dry hair (d) a heavy book
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a battery cell
30. 30.True or false: a battery cell is not needed for the static comb. (a) True (b) False
31. 31.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
32. 32.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
33. 33.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
34. 34.True or false: puffed rice does not move to a charged comb. (a) True (b) False
35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
36. 36.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
37. 37.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) a thin water stream
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) yeast
40. 40.🔮 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

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