Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 923 · 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.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
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 turns into water (c) it bursts at once (d) it sticks for a while
4. 4.⚖️ 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 change it (c) we keep it the same
5. 5.True or false: a battery cell is needed for the static comb. (a) False (b) True
6. 6.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
7. 7.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a heavy book (c) dry hair (d) thermocol bits
8. 8.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a steel spoon (d) a pebble
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn blue (d) they turn wet
10. 10.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
11. 11.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) dry hair (d) tiny paper bits
13. 13.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a pebble (d) a thin water stream
14. 14.True or false: a mirror is needed for the static comb. (a) True (b) False
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
16. 16.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
17. 17.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
19. 19.⚖️ 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) number of rubs (c) the paper bit size (d) paper bits picked up
20. 20.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
21. 21.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
22. 22.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ 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
24. 24.True or false: a battery cell is not needed for the static comb. (a) False (b) True
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
27. 27.🔮 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
28. 28.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
29. 29.⚖️ 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
30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is hot (d) it is sticky
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) dry hair (d) a balloon
32. 32.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a steel spoon
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
34. 34.⚖️ 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
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) turmeric powder
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
39. 39.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
40. 40.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb

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