Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 833 · 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) indoors (c) on a rooftop (d) under a tall tree
2. 2.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a steel spoon (d) a brick
3. 3.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
4. 4.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) a balloon
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) dry hair
7. 7.True or false: dry hair does not move to a charged comb. (a) True (b) False
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
10. 10.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
11. 11.⚖️ 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) True (b) False
12. 12.⚖️ 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 keep it the same (c) we measure it
13. 13.True or false: yeast is not needed for the static comb. (a) False (b) True
14. 14.True or false: a heavy book jumps to a charged comb. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a thin water stream (d) puffed rice
16. 16.⚖️ 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) number of rubs (c) paper bits picked up (d) the same comb
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
19. 19.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a mirror (d) tiny paper bits
21. 21.⚖️ 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
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 comb (c) the same hair (d) the paper bit size
23. 23.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
25. 25.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) vinegar
27. 27.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
28. 28.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
29. 29.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
30. 30.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) puffed rice
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) dry hair (d) a brick
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) a plastic comb (d) tiny paper bits
33. 33.⚖️ 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) the same comb (c) paper bits picked up
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
35. 35.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
36. 36.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
37. 37.⚖️ 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
38. 38.True or false: vinegar is needed for the static comb. (a) False (b) True
39. 39.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
40. 40.⚖️ 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

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