Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 911 · 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.⚖️ 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
2. 2.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
4. 4.⚡ 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
5. 5.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the same hair (d) the same comb
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a balloon (d) dry hair
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
14. 14.🔮 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 sticks for a while (d) it bursts at once
15. 15.True or false: a magnet is needed for the static comb. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) puffed rice (d) dry hair
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.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
19. 19.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
21. 21.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a pebble (c) a thin water stream (d) tiny paper bits
22. 22.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a heavy book (d) thermocol bits
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.⚖️ 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
28. 28.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) vinegar (d) a mirror
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a brick (d) a steel spoon
31. 31.⚡ 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) they turn blue (d) nothing happens
32. 32.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
33. 33.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) a thin water stream
34. 34.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
36. 36.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) turmeric powder (d) a magnet
37. 37.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) a thin water stream
38. 38.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) a plastic comb (d) dry hair
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) dry hair (d) tiny paper bits
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet

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