Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 371 · 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.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
3. 3.⚖️ 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
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
5. 5.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) dry hair (d) turmeric powder
6. 6.⚖️ 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
7. 7.⚖️ 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
8. 8.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a heavy book
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the paper bit size (d) the same comb
10. 10.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
11. 11.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
12. 12.True or false: turmeric powder is needed for the static comb. (a) True (b) False
13. 13.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a balloon
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) distance to the paper (c) the same hair (d) the same comb
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a balloon
17. 17.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a heavy book (d) thermocol bits
19. 19.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
20. 20.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) a magnet (d) a battery cell
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
22. 22.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) a plastic comb
23. 23.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) puffed rice
24. 24.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) yeast (d) tiny paper bits
25. 25.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a steel spoon (d) a heavy book
26. 26.⚖️ 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) distance to the paper
27. 27.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) tiny paper bits (d) dry hair
28. 28.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a plastic comb
30. 30.True or false: a pebble does not move to a charged comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) a thin water stream
32. 32.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a pebble
34. 34.⚖️ 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
35. 35.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
36. 36.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
37. 37.⚖️ 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 paper bit size (c) number of rubs
38. 38.True or false: puffed rice does not move to a charged comb. (a) True (b) False
39. 39.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a mirror
40. 40.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet

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