Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 96 · 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? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
4. 4.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a brick (d) a thin water stream
6. 6.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
7. 7.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) puffed rice (d) tiny paper bits
8. 8.⚖️ 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) True (b) False
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) puffed rice
10. 10.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) vinegar
12. 12.True or false: puffed rice does not move to a charged comb. (a) False (b) True
13. 13.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
18. 18.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a magnet (d) a plastic comb
19. 19.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) a balloon (d) vinegar
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) the same hair (d) number of rubs
22. 22.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a brick
23. 23.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
24. 24.True or false: a battery cell is not needed for the static comb. (a) False (b) True
25. 25.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
26. 26.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) tiny paper bits
29. 29.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) dry hair (d) a balloon
31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
32. 32.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) puffed rice (d) a heavy book
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
34. 34.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
35. 35.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
36. 36.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) thermocol bits (d) a thin water stream
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
39. 39.⚖️ 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) the same comb
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) dry hair (d) a brick

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