Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 165 · 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: tiny paper bits is needed for the static comb. (a) False (b) True
2. 2.True or false: vinegar is needed for the static comb. (a) True (b) False
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
4. 4.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
5. 5.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
7. 7.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a steel spoon
8. 8.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
9. 9.⚡ 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
10. 10.True or false: a mirror is needed for the static comb. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) dry hair (d) a thin water stream
12. 12.🛟 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
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) paper bits picked up (d) the same comb
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.⚖️ 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
16. 16.🛟 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
17. 17.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) dry hair (d) a plastic comb
19. 19.True or false: a brick does not move to a charged comb. (a) False (b) True
20. 20.🔮 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
21. 21.⚖️ 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
22. 22.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
23. 23.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) dry hair (d) a pebble
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) turmeric powder (d) a plastic comb
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
30. 30.True or false: a balloon is needed for the static comb. (a) True (b) False
31. 31.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a pebble
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
33. 33.True or false: dry hair jumps to a charged comb. (a) True (b) False
34. 34.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
36. 36.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) a thin water stream
37. 37.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
38. 38.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) thermocol bits (d) puffed rice
39. 39.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) a magnet (d) dry hair
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False

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