Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 808 · 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 plastic comb is needed for the static comb. (a) True (b) False
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
3. 3.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) dry hair (d) puffed rice
4. 4.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) a battery cell (d) vinegar
5. 5.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a steel spoon
6. 6.⚖️ 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
7. 7.🔮 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
8. 8.True or false: a mirror is needed for the static comb. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) a thin water stream (d) puffed rice
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
11. 11.True or false: a balloon is needed for the static comb. (a) False (b) True
12. 12.True or false: puffed rice does not move to a charged comb. (a) True (b) False
13. 13.🛟 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
14. 14.🧺 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 mirror
15. 15.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) the same hair
17. 17.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) tiny paper bits (d) a thin water stream
18. 18.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a thin water stream (d) puffed rice
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a pebble (d) a steel spoon
21. 21.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
23. 23.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
24. 24.⚖️ 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) True (b) False
25. 25.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
28. 28.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair
31. 31.⚖️ 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
32. 32.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a pebble
36. 36.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
37. 37.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) a mirror (d) yeast
40. 40.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a heavy book (d) a pebble

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