Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 91 · 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.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) turmeric powder (d) tiny paper bits
6. 6.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a pebble (d) a thin water stream
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
8. 8.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
10. 10.⚖️ 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
11. 11.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a brick
12. 12.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a brick
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) tiny paper bits
16. 16.⚖️ 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
17. 17.True or false: tiny paper bits 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 “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
19. 19.⚖️ 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 keep it the same (c) we change it
20. 20.True or false: a balloon is needed for the static comb. (a) True (b) False
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) paper bits picked up (c) the paper bit size (d) number of rubs
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
23. 23.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
24. 24.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
25. 25.⚖️ 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
26. 26.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
27. 27.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
28. 28.True or false: puffed rice does not move to a charged comb. (a) True (b) False
29. 29.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
30. 30.True or false: a mirror is needed for the static comb. (a) False (b) True
31. 31.True or false: puffed rice jumps to a charged comb. (a) False (b) True
32. 32.True or false: a heavy book does not move to a charged comb. (a) True (b) False
33. 33.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) a thin water stream
34. 34.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a magnet (d) tiny paper bits
35. 35.True or false: dry hair does not move to a charged comb. (a) True (b) False
36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
37. 37.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a mirror (d) vinegar
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
39. 39.True or false: a pebble jumps to a charged comb. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a heavy book (d) thermocol bits

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