Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 965 · 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.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
3. 3.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) yeast (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) the same comb (b) distance to the paper (c) the paper bit size (d) paper bits picked up
5. 5.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a heavy book
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
10. 10.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a brick
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a magnet
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
14. 14.True or false: a magnet 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) a plastic comb (b) tiny paper bits (c) a balloon (d) yeast
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a mirror
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
18. 18.True or false: dry hair is not needed for the static comb. (a) True (b) False
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.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is sticky (d) it is a magnet
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 measure it (c) we change it
22. 22.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
23. 23.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) puffed rice
24. 24.True or false: a magnet is needed for the static comb. (a) True (b) False
25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a brick (d) a steel spoon
26. 26.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) a battery cell (d) yeast
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up
29. 29.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) tiny paper bits (d) a thin water stream
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) thermocol bits (d) a pebble
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) tiny paper bits (d) a thin water stream
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) they turn wet (d) nothing happens
34. 34.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
35. 35.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
38. 38.True or false: a brick jumps to a charged comb. (a) False (b) True
39. 39.True or false: a battery cell is not needed for the static comb. (a) False (b) True
40. 40.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move

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