Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 671 · 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.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
2. 2.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
3. 3.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a mirror (d) a plastic comb
4. 4.True or false: a balloon is not needed for the static comb. (a) False (b) True
5. 5.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
9. 9.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
10. 10.True or false: dry hair is not needed for the static comb. (a) True (b) False
11. 11.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) tiny paper bits (d) yeast
12. 12.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
13. 13.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) dry hair (d) a plastic comb
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) tiny paper bits
15. 15.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
17. 17.True or false: yeast is not needed for the static comb. (a) True (b) False
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
19. 19.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a balloon (d) turmeric powder
20. 20.True or false: a mirror is needed for the static comb. (a) True (b) False
21. 21.True or false: puffed rice does not move to a charged comb. (a) False (b) True
22. 22.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
23. 23.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
24. 24.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) thermocol bits (d) a thin water stream
25. 25.⚖️ 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
26. 26.⚖️ 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
27. 27.True or false: a heavy book jumps to a charged comb. (a) True (b) False
28. 28.True or false: a mirror is not needed for the static comb. (a) True (b) False
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same hair (d) number of rubs
30. 30.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
31. 31.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
32. 32.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
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) the same comb (c) number of rubs (d) the paper bit size
34. 34.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a steel spoon (d) a heavy book
35. 35.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) tiny paper bits
36. 36.⚖️ 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 comb
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) a balloon
38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
39. 39.True or false: a balloon is needed for the static comb. (a) False (b) True
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) yeast

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