Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 811 · 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.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
3. 3.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
4. 4.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a heavy book (d) a brick
5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a brick
6. 6.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a pebble (d) puffed rice
7. 7.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) tiny paper bits (d) yeast
8. 8.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) turmeric powder (d) yeast
9. 9.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) wet hair is magnetic (d) water adds charge
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
11. 11.⚖️ 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 paper bit size
12. 12.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) dry hair (d) a plastic comb
14. 14.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
15. 15.True or false: a battery cell is not needed for the static comb. (a) False (b) True
16. 16.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) yeast
17. 17.⚖️ 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
18. 18.🛟 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) plug points at home (d) a rubbed balloon
19. 19.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
20. 20.True or false: a pebble jumps to a charged comb. (a) True (b) False
21. 21.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
22. 22.🔮 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
23. 23.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
26. 26.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
27. 27.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
28. 28.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a heavy book
29. 29.True or false: dry hair does not move to a charged comb. (a) True (b) False
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
31. 31.⚖️ 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) paper bits picked up (d) distance to the paper
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) a plastic comb
34. 34.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
35. 35.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
36. 36.⚡ 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
37. 37.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a battery cell
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a pebble (d) a thin water stream
40. 40.🧺 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

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