Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 847 · 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.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
2. 2.⚖️ 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
3. 3.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
4. 4.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
5. 5.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
6. 6.True or false: dry hair jumps to a charged comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) distance to the paper
8. 8.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
9. 9.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
11. 11.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
12. 12.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
13. 13.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
14. 14.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
15. 15.⚖️ 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) paper bits picked up (c) distance to the paper (d) the paper bit size
16. 16.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
18. 18.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
19. 19.True or false: a brick does not move to a charged comb. (a) True (b) False
20. 20.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) vinegar (d) tiny paper bits
21. 21.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
22. 22.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
23. 23.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a steel spoon
24. 24.⚖️ 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 keep it the same (c) we change it
25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
26. 26.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a pebble (d) puffed rice
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a balloon (d) dry hair
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
30. 30.⚖️ 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 comb (c) number of rubs
31. 31.True or false: vinegar is needed for the static comb. (a) True (b) False
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a magnet
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) tiny paper bits
34. 34.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
35. 35.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a heavy book (d) thermocol bits
38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a heavy book
39. 39.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
40. 40.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once

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