Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 70 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) dry hair
2. 2.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
3. 3.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
4. 4.⚖️ 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) the same hair
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) turmeric powder
6. 6.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a heavy book
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
8. 8.⚖️ 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 same hair
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
10. 10.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) puffed rice (d) a thin water stream
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a balloon (d) tiny paper bits
15. 15.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
16. 16.🧺 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) a magnet
17. 17.True or false: turmeric powder is needed for the static comb. (a) True (b) False
18. 18.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
19. 19.🧺 Which of these is not needed for the static comb? (a) a magnet (b) dry hair (c) a balloon (d) a plastic comb
20. 20.⚖️ 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
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
24. 24.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
25. 25.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a magnet (d) dry hair
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a pebble (d) a steel spoon
27. 27.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
28. 28.True or false: dry hair is needed for the static comb. (a) True (b) False
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
30. 30.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
31. 31.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) yeast (d) tiny paper bits
32. 32.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
33. 33.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a pebble (c) a thin water stream (d) tiny paper bits
34. 34.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) tiny paper bits (d) a pebble
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
37. 37.🧺 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) vinegar
38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) a thin water stream
39. 39.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) vinegar (d) a plastic comb
40. 40.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning

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