Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 74 · 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.True or false: a heavy book jumps to a charged comb. (a) True (b) False
2. 2.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
4. 4.True or false: vinegar is needed for the static comb. (a) False (b) True
5. 5.True or false: yeast is not needed for the static comb. (a) True (b) False
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
7. 7.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) the wind (d) dew
8. 8.⚖️ 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) False (b) True
9. 9.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a plastic comb (c) dry hair (d) tiny paper bits
11. 11.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a steel spoon
12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
13. 13.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
17. 17.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) vinegar (d) turmeric powder
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
19. 19.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) damp air leaks charge (d) water adds charge
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
21. 21.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a pebble
23. 23.True or false: a mirror is not needed for the static comb. (a) True (b) False
24. 24.True or false: a magnet is not needed for the static comb. (a) False (b) True
25. 25.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
26. 26.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) puffed rice (d) tiny paper bits
28. 28.True or false: dry hair does not move to a charged comb. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a pebble (d) a thin water stream
31. 31.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a pebble
32. 32.🧺 Which of these is needed for the static comb? (a) dry hair (b) a magnet (c) vinegar (d) a mirror
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a brick (d) a heavy book
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) distance to the paper (c) the same comb (d) number of rubs
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
40. 40.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb

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