Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 366 · 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.True or false: a balloon is not needed for the static comb. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) thermocol bits (d) a brick
3. 3.⚖️ 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
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
6. 6.⚖️ 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
7. 7.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a thin water stream (d) a heavy book
9. 9.True or false: dry hair does not move to a charged comb. (a) False (b) True
10. 10.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
13. 13.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a steel spoon
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same hair
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
16. 16.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) a battery cell (d) a magnet
17. 17.True or false: dry hair is needed for the static comb. (a) True (b) False
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.True or false: a mirror is not needed for the static comb. (a) False (b) True
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
24. 24.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) puffed rice
25. 25.⚖️ 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
26. 26.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) dry hair
27. 27.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is hot (d) it is sticky
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
31. 31.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) a thin water stream (d) puffed rice
32. 32.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
34. 34.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
35. 35.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a brick (d) a thin water stream
36. 36.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) dry hair
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a battery cell (d) dry hair
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
40. 40.⚖️ 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

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