Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 565 · 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: yeast is not needed for the static comb. (a) False (b) True
2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) paper bits picked up (d) the same hair
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a mirror
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
6. 6.🧺 Which of these is needed for the static comb? (a) vinegar (b) a balloon (c) a mirror (d) a magnet
7. 7.True or false: dry hair does not move to a charged comb. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
9. 9.True or false: vinegar is not needed for the static comb. (a) False (b) True
10. 10.🔮 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
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
12. 12.⚖️ 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) number of rubs (c) the paper bit size
13. 13.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a brick (d) a pebble
14. 14.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
16. 16.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a pebble (d) dry hair
17. 17.⚖️ 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
18. 18.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
19. 19.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
20. 20.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
22. 22.⚖️ 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) number of rubs (c) the same comb
23. 23.⚖️ 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
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
25. 25.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
26. 26.⚖️ 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
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
29. 29.True or false: a balloon is not needed for the static comb. (a) True (b) False
30. 30.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
31. 31.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
32. 32.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
33. 33.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) dry hair (d) a heavy book
34. 34.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) thermocol bits
40. 40.True or false: a plastic comb is not needed for the static comb. (a) False (b) True

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