Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 976 · 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.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
2. 2.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) dry hair
3. 3.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
4. 4.True or false: a pebble does not move to a charged comb. (a) False (b) True
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) vinegar (d) a plastic comb
7. 7.True or false: a pebble jumps to a charged comb. (a) False (b) True
8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a balloon (d) yeast
9. 9.True or false: a magnet is not needed for the static comb. (a) True (b) False
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
12. 12.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
13. 13.True or false: yeast is not needed for the static comb. (a) False (b) True
14. 14.⚖️ 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) the paper bit size (c) paper bits picked up
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) tiny paper bits
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a balloon
18. 18.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
19. 19.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) thermocol bits
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) turmeric powder
21. 21.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
22. 22.True or false: a brick does not move to a charged comb. (a) False (b) True
23. 23.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
24. 24.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
25. 25.⚖️ 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) the same comb (d) paper bits picked up
26. 26.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) thermocol bits (d) a brick
27. 27.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) dry hair
28. 28.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) dry hair (d) a balloon
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
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.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
32. 32.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
33. 33.⚖️ 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) the same hair
34. 34.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) dry hair (d) a mirror
35. 35.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
38. 38.⚖️ 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
39. 39.True or false: a magnet is needed for the static comb. (a) False (b) True
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet

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