Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 434 · 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? True or false: number of rubs is kept the same. (a) True (b) False
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
3. 3.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
5. 5.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
7. 7.True or false: yeast is needed for the static comb. (a) False (b) True
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a battery cell (d) a plastic comb
9. 9.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
10. 10.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
11. 11.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) a balloon
12. 12.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a plastic comb (c) vinegar (d) turmeric powder
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
14. 14.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a pebble (d) a heavy book
15. 15.True or false: vinegar is needed for the static comb. (a) False (b) True
16. 16.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
17. 17.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
19. 19.True or false: a heavy book jumps to a charged comb. (a) True (b) False
20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
21. 21.⚖️ 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) distance to the paper (c) number of rubs
22. 22.⚖️ 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 hair (b) the paper bit size (c) number of rubs (d) distance to the paper
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
24. 24.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) dry hair (d) vinegar
25. 25.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
26. 26.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
27. 27.🔮 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
28. 28.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
29. 29.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) a thin water stream (d) tiny paper bits
30. 30.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a heavy book (d) a steel spoon
31. 31.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) puffed rice
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) the same comb (d) paper bits picked up
34. 34.⚖️ 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
35. 35.True or false: dry hair does not move to a charged comb. (a) True (b) False
36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a steel spoon (d) tiny paper bits
38. 38.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
39. 39.🧺 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) tiny paper bits
40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move

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