Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 941 · 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 is the odd one out? (a) a thin water stream (b) puffed rice (c) a heavy book (d) tiny paper bits
2. 2.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
5. 5.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) tiny paper bits (d) a brick
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
7. 7.⚖️ 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) number of rubs (c) the same comb
8. 8.⚖️ 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) number of rubs (c) the same hair
9. 9.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a brick
10. 10.🛟 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
11. 11.🛟 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
12. 12.True or false: a plastic comb is needed for the static comb. (a) True (b) False
13. 13.⚖️ 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
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a battery cell
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) dry hair (d) tiny paper bits
18. 18.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) tiny paper bits (d) vinegar
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a pebble (d) dry hair
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
23. 23.True or false: a battery cell is needed for the static comb. (a) True (b) False
24. 24.True or false: a magnet is needed for the static comb. (a) False (b) True
25. 25.⚖️ 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) the paper bit size (c) number of rubs (d) paper bits picked up
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) a balloon
27. 27.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
28. 28.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
29. 29.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a plastic comb (d) turmeric powder
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) vinegar (d) tiny paper bits
31. 31.🔮 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 water stops (d) the stream bends
32. 32.True or false: a battery cell is not needed for the static comb. (a) True (b) False
33. 33.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a brick (d) a steel spoon
35. 35.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
36. 36.True or false: puffed rice jumps to a charged comb. (a) True (b) False
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
38. 38.⚖️ 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 measure it (c) we keep it the same
39. 39.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
40. 40.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a brick

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