Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 542 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) turmeric powder
2. 2.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) the same hair (d) the same comb
4. 4.⚖️ 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) the paper bit size (c) paper bits picked up (d) distance to the paper
5. 5.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
6. 6.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
9. 9.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a mirror (d) a plastic comb
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
13. 13.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
14. 14.True or false: a brick jumps to a charged comb. (a) False (b) True
15. 15.True or false: a heavy book does not move to a charged comb. (a) False (b) True
16. 16.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
17. 17.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) tiny paper bits (d) dry hair
18. 18.⚖️ 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
19. 19.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
20. 20.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a magnet (d) tiny paper bits
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
22. 22.⚖️ 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) the same hair (c) number of rubs
23. 23.True or false: a plastic comb is needed for the static comb. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) puffed rice (d) dry hair
25. 25.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) a magnet (d) vinegar
26. 26.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
27. 27.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
29. 29.⚖️ 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
30. 30.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
31. 31.True or false: puffed rice jumps to a charged comb. (a) True (b) False
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a pebble
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) a magnet
35. 35.⚖️ 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) False (b) True
36. 36.⚖️ 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 keep it the same (c) we change it
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
38. 38.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
39. 39.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
40. 40.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a pebble (d) puffed rice

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