Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 161 · 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) tiny paper bits (b) a heavy book (c) puffed rice (d) dry hair
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
4. 4.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
5. 5.🔮 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
6. 6.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
7. 7.🔮 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
8. 8.⚖️ 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) number of rubs (c) paper bits picked up (d) the same hair
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same comb (d) the same hair
10. 10.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a mirror (d) a plastic comb
11. 11.True or false: a balloon is not needed for the static comb. (a) True (b) False
12. 12.⚖️ 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) True (b) False
13. 13.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a thin water stream (d) dry hair
14. 14.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) yeast (d) turmeric powder
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) a thin water stream
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) dry hair
20. 20.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) puffed rice (d) a thin water stream
21. 21.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
22. 22.True or false: dry hair is not needed for the static comb. (a) False (b) True
23. 23.True or false: yeast is needed for the static comb. (a) True (b) False
24. 24.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) tiny paper bits (d) a balloon
26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
27. 27.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
29. 29.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) dry hair
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
32. 32.True or false: a mirror is not needed for the static comb. (a) True (b) False
33. 33.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a battery cell (d) tiny paper bits
34. 34.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
35. 35.True or false: a battery cell is not needed for the static comb. (a) False (b) True
36. 36.True or false: a magnet is not needed for the static comb. (a) True (b) False
37. 37.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
38. 38.True or false: puffed rice jumps to a charged comb. (a) True (b) False
39. 39.True or false: a magnet is needed for the static comb. (a) False (b) True
40. 40.True or false: yeast is not needed for the static comb. (a) True (b) False

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