Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 246 · 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.🛟 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
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
3. 3.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) a plastic comb (d) tiny paper bits
4. 4.True or false: a brick jumps to a charged comb. (a) False (b) True
5. 5.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
6. 6.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a plastic comb (d) tiny paper bits
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
12. 12.True or false: a battery cell is not needed for the static comb. (a) False (b) True
13. 13.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a brick (d) a pebble
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a balloon
15. 15.⚡ 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
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) dry hair (d) a brick
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 comb (b) the paper bit size (c) paper bits picked up (d) distance to the paper
18. 18.🔮 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 bursts at once (d) it turns into water
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) tiny paper bits (d) dry hair
21. 21.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
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) number of rubs (b) the same hair (c) the same comb (d) paper bits picked up
23. 23.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) tiny paper bits (d) thermocol bits
24. 24.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) tiny paper bits (d) puffed rice
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
27. 27.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a magnet (d) tiny paper bits
29. 29.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) a mirror (d) a plastic comb
31. 31.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) yeast (d) a magnet
32. 32.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
33. 33.True or false: vinegar is not needed for the static comb. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) puffed rice (d) a thin water stream
35. 35.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) yeast
36. 36.True or false: a brick does not move to a charged comb. (a) False (b) True
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet

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