Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 957 · 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 does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) dry hair (d) puffed rice
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
3. 3.⚖️ 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 keep it the same (c) we measure it
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
5. 5.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
6. 6.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
7. 7.True or false: dry hair does not move to a charged comb. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a pebble (d) a heavy book
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
10. 10.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) dry hair
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the same hair (c) paper bits picked up
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
14. 14.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a brick
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
16. 16.⚖️ 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
17. 17.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a battery cell (d) a mirror
18. 18.⚖️ 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
19. 19.⚖️ 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
20. 20.True or false: a balloon is needed for the static comb. (a) True (b) False
21. 21.True or false: dry hair jumps to a charged comb. (a) False (b) True
22. 22.True or false: a plastic comb is needed for the static comb. (a) True (b) False
23. 23.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a mirror (d) a plastic comb
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
27. 27.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
28. 28.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a mirror (d) a plastic comb
29. 29.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a brick (d) a steel spoon
30. 30.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
31. 31.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) the paper bit size (d) paper bits picked up
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
35. 35.⚖️ 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) False (b) True
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a thin water stream (d) dry hair
38. 38.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a heavy book (d) puffed rice
39. 39.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
40. 40.⚖️ 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 paper bit size (c) the same comb (d) the same hair

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