Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 844 · 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.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a magnet (d) tiny paper bits
2. 2.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
3. 3.⚖️ 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 measure it (c) we keep it the same
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
5. 5.True or false: turmeric powder is needed for the static comb. (a) False (b) True
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) tiny paper bits (d) a balloon
7. 7.True or false: a magnet is needed for the static comb. (a) False (b) True
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) a balloon (d) a plastic comb
9. 9.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
11. 11.True or false: puffed rice does not move to a charged comb. (a) True (b) False
12. 12.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a plastic comb (d) tiny paper bits
14. 14.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) thermocol bits (d) puffed rice
16. 16.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a brick (d) a steel spoon
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) a magnet (d) yeast
19. 19.True or false: a pebble jumps to a charged 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 the one thing we change. (a) False (b) True
21. 21.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) a thin water stream (d) puffed rice
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) the same hair (d) distance to the paper
26. 26.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
27. 27.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a steel spoon
28. 28.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a heavy book
29. 29.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a plastic comb
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) dry hair (d) a thin water stream
33. 33.True or false: dry hair jumps to a charged comb. (a) True (b) False
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a mirror (d) dry hair
36. 36.⚖️ 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 keep it the same (c) we change it
37. 37.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) tiny paper bits
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky

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