Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 649 · 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 is the odd one out? (a) thermocol bits (b) a brick (c) a thin water stream (d) tiny paper bits
2. 2.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) puffed rice (d) tiny paper bits
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) the same hair (d) paper bits picked up
5. 5.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
6. 6.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
8. 8.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) puffed rice
9. 9.True or false: dry hair jumps to a charged comb. (a) True (b) False
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
11. 11.⚖️ 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 change it (c) we keep it the same
12. 12.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) dry hair (d) a mirror
13. 13.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
14. 14.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
16. 16.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) thermocol bits
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) paper bits picked up
20. 20.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
23. 23.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) dry hair (d) a plastic comb
25. 25.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a pebble (d) a brick
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) tiny paper bits (d) a pebble
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
28. 28.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
31. 31.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
32. 32.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a balloon (d) dry hair
34. 34.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
35. 35.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
36. 36.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a balloon (d) a magnet
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
38. 38.True or false: vinegar is needed for the static comb. (a) False (b) True
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet

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