Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 805 · 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 brick does not move to a charged comb. (a) False (b) True
2. 2.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
3. 3.True or false: a mirror is needed for the static comb. (a) False (b) True
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a battery cell
6. 6.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) vinegar (d) dry hair
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
11. 11.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a heavy book
13. 13.⚖️ 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 comb
14. 14.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a brick
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
16. 16.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a brick (d) thermocol bits
17. 17.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
18. 18.⚖️ 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) distance to the paper (c) the same hair (d) number of rubs
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
20. 20.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
21. 21.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
22. 22.⚖️ 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) True (b) False
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) tiny paper bits
24. 24.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
25. 25.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a pebble
28. 28.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
29. 29.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
30. 30.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a pebble
31. 31.⚖️ 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
32. 32.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
33. 33.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) thermocol bits (d) a heavy book
34. 34.True or false: vinegar is needed for the static comb. (a) False (b) True
35. 35.True or false: dry hair is needed for the static comb. (a) True (b) False
36. 36.True or false: a heavy book does not move to a charged comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) distance to the paper (d) paper bits picked up
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a plastic comb (d) tiny paper bits
39. 39.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) a heavy book (d) a steel spoon
40. 40.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) tiny paper bits (d) yeast

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