Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 664 · 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 brick jumps to a charged comb. (a) False (b) True
2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
3. 3.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a steel spoon (d) a pebble
4. 4.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
5. 5.True or false: a mirror is needed for the static comb. (a) False (b) True
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a pebble (d) a brick
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) dry hair
10. 10.True or false: dry hair jumps to a charged comb. (a) False (b) True
11. 11.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
12. 12.True or false: a battery cell is needed for the static comb. (a) False (b) True
13. 13.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
15. 15.⚖️ 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
16. 16.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) a thin water stream
17. 17.🛟 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
18. 18.⚖️ 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
19. 19.🛟 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
20. 20.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
22. 22.⚖️ 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 keep it the same (c) we measure it
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
25. 25.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a brick
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) turmeric powder
27. 27.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
28. 28.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a brick
29. 29.⚖️ 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) number of rubs (c) paper bits picked up (d) distance to the paper
30. 30.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a heavy book
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
33. 33.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
34. 34.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) number of rubs (d) the same hair
36. 36.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
37. 37.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
38. 38.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a brick (c) a thin water stream (d) thermocol bits
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a mirror
40. 40.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed

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