Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 716 · 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 keep it the same (b) we change it (c) we measure it
2. 2.True or false: a magnet is needed for the static comb. (a) True (b) False
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
5. 5.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a pebble (d) a thin water stream
6. 6.True or false: yeast is needed for the static comb. (a) True (b) False
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
8. 8.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
9. 9.True or false: a heavy book does not move to a charged comb. (a) False (b) True
10. 10.🔮 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
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
12. 12.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a brick (c) a thin water stream (d) puffed rice
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) a plastic comb
14. 14.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
16. 16.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
17. 17.⚖️ 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) True (b) False
18. 18.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
19. 19.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) a magnet (d) yeast
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
21. 21.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
22. 22.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a pebble
23. 23.True or false: vinegar is needed for the static comb. (a) True (b) False
24. 24.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) puffed rice
27. 27.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
29. 29.⚡ 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 wet (d) they turn blue
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same hair (d) distance to the paper
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a battery cell (d) tiny paper bits
32. 32.⚖️ 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) paper bits picked up (c) the same comb
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a steel spoon
34. 34.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
35. 35.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
36. 36.🛟 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
37. 37.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) a balloon (d) a plastic comb
38. 38.True or false: puffed rice jumps to a charged comb. (a) False (b) True
39. 39.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
40. 40.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) dry hair (d) a mirror

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