Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 475 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
2. 2.True or false: a pebble jumps to a charged comb. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a brick (d) a pebble
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a mirror (d) a battery cell
6. 6.⚖️ 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
7. 7.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) puffed rice (d) a steel spoon
8. 8.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) a thin water stream
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
13. 13.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
16. 16.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) puffed rice (d) a thin water stream
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) a plastic comb
18. 18.True or false: a magnet is needed for the static comb. (a) False (b) True
19. 19.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
20. 20.🔮 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
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) tiny paper bits
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
25. 25.🧺 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) a magnet
26. 26.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
27. 27.⚖️ 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) distance to the paper (c) paper bits picked up (d) the same comb
28. 28.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) vinegar
29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) a battery cell (d) vinegar
30. 30.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
31. 31.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) thermocol bits
32. 32.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the paper bit size (c) number of rubs (d) paper bits picked up
34. 34.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
35. 35.True or false: a mirror is needed for the static comb. (a) False (b) True
36. 36.True or false: yeast is needed for the static comb. (a) True (b) False
37. 37.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) puffed rice (d) a pebble
39. 39.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a heavy book (d) a brick
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works

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