Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 531 · 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.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
2. 2.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) a balloon (d) dry hair
6. 6.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
7. 7.True or false: a plastic comb is needed for the static comb. (a) False (b) True
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) dry hair (d) a plastic comb
10. 10.⚖️ 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
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
12. 12.🔮 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 sticks for a while (d) it bursts at once
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
14. 14.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
15. 15.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) tiny paper bits (d) puffed rice
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) the same hair (d) number of rubs
18. 18.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a pebble (d) a heavy book
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) False (b) True
20. 20.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
21. 21.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a magnet
22. 22.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the static comb? (a) vinegar (b) dry hair (c) a mirror (d) turmeric powder
24. 24.True or false: a brick jumps to a charged comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
26. 26.⚖️ 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 hair (c) number of rubs
27. 27.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a steel spoon (d) a thin water stream
29. 29.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
30. 30.True or false: a pebble jumps to a charged comb. (a) True (b) False
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
33. 33.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
34. 34.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) dry hair (d) tiny paper bits
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
37. 37.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) puffed rice (d) a thin water stream
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
39. 39.True or false: yeast is needed for the static comb. (a) False (b) True
40. 40.True or false: dry hair is not needed for the static comb. (a) True (b) False

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