Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 869 · 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 pebble does not move to a charged comb. (a) True (b) False
2. 2.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
4. 4.True or false: a balloon is not needed for the static comb. (a) True (b) False
5. 5.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a mirror
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
8. 8.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
9. 9.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
10. 10.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) dry hair
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the paper bit size (c) the same hair (d) number of rubs
12. 12.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a steel spoon (d) a pebble
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a balloon (d) a plastic comb
14. 14.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
15. 15.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) a balloon
16. 16.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) dry hair (d) a pebble
17. 17.⚖️ 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
18. 18.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a steel spoon
19. 19.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) dry hair (d) a heavy book
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a magnet (d) a balloon
21. 21.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
22. 22.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) a thin water stream
23. 23.🔮 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
24. 24.True or false: a brick jumps to a charged comb. (a) False (b) True
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) turmeric powder
26. 26.True or false: a balloon is needed for the static comb. (a) True (b) False
27. 27.⚖️ 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
28. 28.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
29. 29.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
31. 31.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a thin water stream (d) dry hair
32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
33. 33.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) tiny paper bits
35. 35.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) distance to the paper (d) paper bits picked up
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
38. 38.True or false: dry hair is needed for the static comb. (a) False (b) True
39. 39.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
40. 40.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) yeast (d) dry hair

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