Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 704 · 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 big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the paper bit size (c) paper bits picked up (d) distance to the paper
3. 3.True or false: a brick jumps to a charged comb. (a) True (b) False
4. 4.🛟 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
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a battery cell (d) tiny paper bits
6. 6.True or false: a mirror is needed for the static comb. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) vinegar
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a battery cell (d) dry hair
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a battery cell
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
17. 17.⚖️ 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) paper bits picked up (c) the same comb
18. 18.⚖️ 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
19. 19.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
20. 20.⚖️ 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) number of rubs (c) the same comb (d) paper bits picked up
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same hair (c) number of rubs
23. 23.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
24. 24.True or false: a steel spoon 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 hair”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🛟 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
27. 27.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) distance to the paper (c) number of rubs
29. 29.True or false: a battery cell is needed for the static comb. (a) True (b) False
30. 30.🔮 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
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a pebble
33. 33.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) tiny paper bits (d) yeast
34. 34.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
35. 35.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) puffed rice (d) tiny paper bits
37. 37.🧺 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) turmeric powder
38. 38.True or false: dry hair does not move to a charged comb. (a) True (b) False
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works

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