Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 810 · 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.⚖️ 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) the same comb (c) distance to the paper (d) number of rubs
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
3. 3.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a magnet
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) the stream bends (d) nothing at all
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
7. 7.⚖️ 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) paper bits picked up (d) the paper bit size
8. 8.🛟 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
9. 9.True or false: dry hair jumps to a charged comb. (a) False (b) True
10. 10.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
11. 11.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) dry hair (d) a thin water stream
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
13. 13.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) a mirror (d) vinegar
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) dry hair
16. 16.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a balloon (d) a plastic comb
17. 17.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
18. 18.True or false: a pebble jumps to a charged comb. (a) True (b) False
19. 19.True or false: a balloon is needed for the static comb. (a) True (b) False
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) a balloon (d) dry hair
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
22. 22.🛟 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
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) a plastic comb (b) dry hair (c) a balloon (d) a mirror
25. 25.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
26. 26.True or false: a brick does not move to a charged comb. (a) False (b) True
27. 27.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
28. 28.⚖️ 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 paper bit size (c) paper bits picked up
29. 29.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) tiny paper bits
30. 30.True or false: puffed rice does not move to a charged comb. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a brick (d) a heavy book
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
33. 33.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) tiny paper bits
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) True (b) False
35. 35.True or false: turmeric powder is needed for the static comb. (a) True (b) False
36. 36.True or false: dry hair is not needed for the static comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a battery cell (d) a plastic comb
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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