Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 750 · 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) tiny paper bits (c) a brick (d) a steel spoon
2. 2.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
3. 3.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a plastic comb (d) vinegar
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
5. 5.🔮 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 sticks for a while (d) it turns into water
6. 6.⚖️ 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) False (b) True
7. 7.True or false: a pebble does not move to a charged comb. (a) True (b) False
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
9. 9.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a brick (d) a steel spoon
11. 11.⚡ 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
12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) number of rubs (d) the same comb
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
15. 15.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
16. 16.⚖️ 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
17. 17.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) puffed rice (d) thermocol bits
18. 18.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
20. 20.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
21. 21.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) vinegar (d) dry hair
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
26. 26.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
28. 28.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) dry hair (d) a plastic comb
31. 31.True or false: a brick jumps to a charged comb. (a) True (b) False
32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) distance to the paper (d) the same hair
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a steel spoon (d) a heavy book
36. 36.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
37. 37.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) dry hair (d) a pebble
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) tiny paper bits (d) a plastic comb
40. 40.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) tiny paper bits

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