Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 661 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
2. 2.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a magnet (c) dry hair (d) tiny paper bits
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a battery cell (d) tiny paper bits
5. 5.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
7. 7.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.⚖️ 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
10. 10.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
11. 11.🧺 Which of these is not needed for the static comb? (a) yeast (b) a balloon (c) a plastic comb (d) dry hair
12. 12.⚖️ 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) the same comb (d) the paper bit size
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
14. 14.True or false: vinegar is not needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) dry hair (d) a plastic comb
16. 16.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
17. 17.🔮 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 falls straight down (d) it turns into water
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
19. 19.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
20. 20.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
21. 21.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
22. 22.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) vinegar (d) tiny paper bits
23. 23.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
24. 24.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a brick
25. 25.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a brick (d) thermocol bits
27. 27.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) puffed rice (d) a heavy book
28. 28.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) tiny paper bits (d) a pebble
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
31. 31.True or false: a magnet is not needed for the static comb. (a) True (b) False
32. 32.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) a balloon
34. 34.True or false: puffed rice does not move to a charged comb. (a) True (b) False
35. 35.⚖️ 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
36. 36.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) a battery cell (d) vinegar
37. 37.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) thermocol bits (d) a thin water stream
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
39. 39.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) thermocol bits (d) a steel spoon

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