Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 432 · 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 battery cell is not needed for the static comb. (a) True (b) False
2. 2.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a battery cell (d) a mirror
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
5. 5.True or false: a mirror is not needed for the static comb. (a) False (b) True
6. 6.True or false: a pebble jumps to a charged comb. (a) True (b) False
7. 7.⚖️ 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) False (b) True
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
9. 9.⚖️ 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
10. 10.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) a balloon
13. 13.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
14. 14.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
15. 15.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) yeast (d) dry hair
16. 16.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a brick (d) a thin water stream
17. 17.⚖️ 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) number of rubs (c) paper bits picked up (d) the paper bit size
18. 18.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
19. 19.⚖️ 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 hair
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) tiny paper bits
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
22. 22.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) a balloon
23. 23.True or false: a battery cell is needed for the static comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
27. 27.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) thermocol bits (d) tiny paper bits
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the paper bit size (d) distance to the paper
34. 34.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
35. 35.True or false: turmeric powder is needed for the static comb. (a) True (b) False
36. 36.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) damp air leaks charge (d) water adds charge
37. 37.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a steel spoon
38. 38.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a heavy book
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) dry hair (d) a steel spoon

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