Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 804 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) vinegar
2. 2.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
3. 3.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.True or false: a plastic comb is needed for the static comb. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a brick (d) a steel spoon
7. 7.True or false: a pebble jumps to a charged comb. (a) True (b) False
8. 8.True or false: vinegar is needed for the static comb. (a) True (b) False
9. 9.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) tiny paper bits (d) dry hair
11. 11.True or false: a mirror is needed for the static comb. (a) False (b) True
12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
14. 14.⚖️ 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
15. 15.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
16. 16.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) tiny paper bits
17. 17.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) wet hair is magnetic (d) water adds charge
18. 18.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) vinegar (d) a magnet
19. 19.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a pebble
21. 21.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
23. 23.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
24. 24.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) yeast (d) vinegar
25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a pebble (d) a brick
26. 26.True or false: a brick jumps to a charged comb. (a) True (b) False
27. 27.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
28. 28.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) tiny paper bits (d) a plastic comb
31. 31.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
32. 32.⚖️ 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 hair
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a balloon (d) tiny paper bits
34. 34.⚖️ 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) paper bits picked up (c) the same comb (d) number of rubs
35. 35.True or false: puffed rice does not move to a charged comb. (a) True (b) False
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the same comb (d) distance to the paper
37. 37.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a pebble (d) a brick
39. 39.⚖️ 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) number of rubs (c) the same comb
40. 40.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a steel spoon (d) puffed rice

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