Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 559 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) tiny paper bits
2. 2.⚖️ 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) True (b) False
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
5. 5.True or false: a plastic comb is needed for the static comb. (a) True (b) False
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
7. 7.True or false: a brick jumps to a charged comb. (a) False (b) True
8. 8.True or false: a magnet is not needed for the static comb. (a) False (b) True
9. 9.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) a thin water stream (d) puffed rice
10. 10.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a brick (d) a steel spoon
11. 11.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
12. 12.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) vinegar (d) a magnet
13. 13.True or false: a mirror is not needed for the static comb. (a) True (b) False
14. 14.True or false: a heavy book does not move to a charged comb. (a) True (b) False
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
17. 17.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
18. 18.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
21. 21.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a balloon
22. 22.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
23. 23.True or false: a battery cell is not needed for the static comb. (a) True (b) False
24. 24.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a steel spoon
25. 25.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
26. 26.True or false: vinegar is needed for the static comb. (a) True (b) False
27. 27.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
30. 30.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
32. 32.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) vinegar
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
34. 34.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a magnet (d) vinegar
35. 35.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
36. 36.⚖️ 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) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) paper bits picked up (d) the same comb
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
39. 39.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a steel spoon (d) a heavy book
40. 40.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb

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