Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 132 · 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? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
2. 2.True or false: a pebble does not move to a charged comb. (a) True (b) False
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
4. 4.True or false: a battery cell is needed for the static comb. (a) True (b) False
5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a steel spoon (c) a thin water stream (d) dry hair
6. 6.🔮 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
7. 7.⚖️ 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
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
9. 9.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) tiny paper bits (d) a plastic comb
10. 10.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) tiny paper bits (d) thermocol bits
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
13. 13.True or false: a heavy book does not move to a charged comb. (a) False (b) True
14. 14.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a battery cell (d) a balloon
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
17. 17.🧺 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) vinegar
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) turmeric powder
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the same comb (d) the paper bit size
20. 20.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
21. 21.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
22. 22.True or false: a plastic comb is needed for the static comb. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a heavy book
24. 24.⚖️ 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
25. 25.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
27. 27.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a battery cell (d) a mirror
29. 29.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
30. 30.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
32. 32.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
33. 33.⚖️ 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
34. 34.⚖️ 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
35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
37. 37.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a balloon (d) a plastic comb
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
39. 39.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
40. 40.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors

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