Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 899 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same comb (c) the paper bit size (d) distance to the paper
2. 2.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
3. 3.⚖️ 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
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) a balloon
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) the same comb (b) paper bits picked up (c) the same hair (d) number of rubs
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) dry hair (d) tiny paper bits
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) vinegar
12. 12.True or false: dry hair is needed for the static comb. (a) False (b) True
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) tiny paper bits
15. 15.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
16. 16.True or false: a mirror is not needed for the static comb. (a) True (b) False
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) a balloon (d) tiny paper bits
18. 18.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
19. 19.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
20. 20.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
22. 22.True or false: vinegar is needed for the static comb. (a) False (b) True
23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a brick
26. 26.True or false: a magnet is needed for the static comb. (a) False (b) True
27. 27.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a heavy book (d) thermocol bits
28. 28.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) a steel spoon (d) a pebble
29. 29.⚖️ 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
30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
32. 32.🛟 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
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a brick (d) a heavy book
34. 34.True or false: a magnet is not needed for the static comb. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
37. 37.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) turmeric powder (d) a battery cell
38. 38.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) tiny paper bits
39. 39.True or false: dry hair does not move to a charged comb. (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 what we measure. (a) False (b) True

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