Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 106 · 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 jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
2. 2.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a battery cell (d) tiny paper bits
3. 3.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) a magnet (d) turmeric powder
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same hair (c) the same comb (d) number of rubs
5. 5.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) a battery cell
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
7. 7.⚖️ 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
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
9. 9.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) a thin water stream (d) thermocol bits
10. 10.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a steel spoon (d) a brick
11. 11.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
12. 12.🛟 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) plug points at home (d) a rubbed balloon
13. 13.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
14. 14.⚖️ 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) distance to the paper (c) the paper bit size (d) number of rubs
15. 15.⚖️ 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
16. 16.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) puffed rice (d) thermocol bits
17. 17.⚖️ 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
18. 18.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
19. 19.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
20. 20.True or false: a plastic comb is needed for the static comb. (a) True (b) False
21. 21.⚖️ 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
22. 22.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) tiny paper bits (d) yeast
24. 24.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) yeast
27. 27.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
28. 28.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
29. 29.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
30. 30.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ 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) False (b) True
32. 32.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a steel spoon
34. 34.True or false: dry hair is not needed for the static comb. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a steel spoon (d) a brick
36. 36.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
37. 37.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
38. 38.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
39. 39.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a balloon (d) turmeric powder

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