Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 564 · 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? True or false: distance to the paper is kept the same. (a) False (b) True
2. 2.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) puffed rice (d) a brick
3. 3.True or false: dry hair does not move to a charged comb. (a) False (b) True
4. 4.True or false: dry hair is not needed for the static comb. (a) True (b) False
5. 5.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
6. 6.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
7. 7.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
8. 8.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (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: paper bits picked up is the one thing we change. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a brick
12. 12.True or false: a mirror is needed for the static comb. (a) True (b) False
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
14. 14.🔮 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
15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
16. 16.True or false: tiny paper bits does not move to a charged 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) a balloon (c) tiny paper bits (d) a mirror
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
20. 20.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
21. 21.True or false: puffed rice does not move to a charged comb. (a) True (b) False
22. 22.True or false: a brick does not move to a charged comb. (a) True (b) False
23. 23.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
24. 24.⚡ A rubbed comb is held near tiny paper bits. 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.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
27. 27.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
28. 28.True or false: a magnet is needed for the static comb. (a) True (b) False
29. 29.⚖️ 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) the same comb (c) number of rubs
30. 30.⚖️ 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) True (b) False
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
32. 32.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
33. 33.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) tiny paper bits
34. 34.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
35. 35.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
36. 36.⚖️ 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
37. 37.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) turmeric powder
39. 39.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a magnet (d) a plastic comb
40. 40.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed

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