Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 416 · 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: dry hair is not needed for the static comb. (a) True (b) False
2. 2.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
3. 3.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
5. 5.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) dry hair (d) a balloon
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a plastic comb (d) tiny paper bits
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) tiny paper bits (d) thermocol bits
11. 11.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
12. 12.⚖️ 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
13. 13.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) yeast (d) a mirror
14. 14.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a pebble (d) dry hair
18. 18.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
19. 19.True or false: a plastic comb is needed for the static comb. (a) False (b) True
20. 20.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
21. 21.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
22. 22.⚖️ 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
23. 23.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) dry hair (d) tiny paper bits
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
25. 25.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a pebble (d) a heavy book
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
29. 29.🛟 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
30. 30.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) a thin water stream (d) puffed rice
31. 31.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) dry hair (d) a brick
32. 32.🛟 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
33. 33.True or false: a battery cell is not needed for the static comb. (a) True (b) False
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) puffed rice
36. 36.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) vinegar
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the paper bit size (d) the same comb
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
40. 40.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) dry hair (d) a steel spoon

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