Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 633 · 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.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) yeast (d) a balloon
4. 4.True or false: a plastic comb is needed for the static comb. (a) False (b) True
5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) vinegar (d) a balloon
6. 6.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) dry hair (d) a brick
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
8. 8.True or false: dry hair does not move to a charged comb. (a) False (b) True
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a balloon
10. 10.🛟 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
11. 11.🧺 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
12. 12.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
13. 13.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a balloon (d) a magnet
14. 14.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
16. 16.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) dry hair (d) a brick
17. 17.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a battery cell (d) a plastic comb
18. 18.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) puffed rice
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the paper bit size (d) distance to the paper
25. 25.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
27. 27.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
28. 28.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a brick (d) a steel spoon
29. 29.True or false: dry hair jumps to a charged comb. (a) True (b) False
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a mirror (d) tiny paper bits
34. 34.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
35. 35.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) a balloon (d) tiny paper bits
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a pebble
37. 37.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
38. 38.True or false: a brick jumps to a charged comb. (a) True (b) False
39. 39.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
40. 40.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a heavy book (d) thermocol bits

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