Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 347 · 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 is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a magnet
4. 4.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
5. 5.🧺 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) yeast
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) a balloon (d) tiny paper bits
7. 7.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
8. 8.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
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) plug points at home (d) a rubbed balloon
12. 12.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
13. 13.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
14. 14.True or false: a heavy book jumps to a charged comb. (a) False (b) True
15. 15.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
16. 16.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a mirror
17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a steel spoon (d) a pebble
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a battery cell (d) tiny paper bits
20. 20.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
22. 22.⚖️ 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) distance to the paper (c) number of rubs (d) the same hair
23. 23.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
24. 24.⚖️ 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
25. 25.⚖️ 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) the paper bit size (c) distance to the paper (d) the same hair
26. 26.True or false: a balloon is not needed for the static comb. (a) True (b) False
27. 27.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) dry hair (d) a steel spoon
28. 28.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
29. 29.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
30. 30.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a pebble (d) a steel spoon
31. 31.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
36. 36.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a pebble
38. 38.True or false: puffed rice does not move to a charged comb. (a) False (b) True
39. 39.🔮 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 turns into water (d) it bursts at once
40. 40.True or false: puffed rice jumps to a charged comb. (a) False (b) True

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