Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 634 · 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 of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a heavy book (d) a brick
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) yeast
3. 3.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
4. 4.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) a thin water stream
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
8. 8.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
10. 10.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a pebble (d) a steel spoon
11. 11.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a heavy book (d) a steel spoon
12. 12.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) distance to the paper (c) the same hair (d) paper bits picked up
14. 14.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
15. 15.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) vinegar
16. 16.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) a thin water stream
17. 17.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) water adds charge (d) dry days are noisy
18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
19. 19.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a brick
20. 20.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) puffed rice
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a plastic comb (d) tiny paper bits
25. 25.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
27. 27.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a brick (d) tiny paper bits
28. 28.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a brick
29. 29.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
30. 30.🧺 Which of these is not needed for the static comb? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon
31. 31.True or false: vinegar is not needed for the static comb. (a) True (b) False
32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
33. 33.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
34. 34.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) vinegar (d) turmeric powder
35. 35.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) a magnet (d) yeast
36. 36.⚖️ 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 comb (b) paper bits picked up (c) number of rubs (d) the same hair
37. 37.⚖️ 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 keep it the same (c) we change it
38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
39. 39.True or false: dry hair is needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True

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