Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 705 · 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 steel spoon does not move to a charged comb. (a) True (b) False
2. 2.True or false: dry hair jumps to a charged comb. (a) False (b) True
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 is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a thin water stream (d) thermocol bits
5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
6. 6.🔮 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 stream bends (d) the water freezes
7. 7.⚖️ 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) paper bits picked up (c) number of rubs (d) the same comb
8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) tiny paper bits (d) a magnet
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) True (b) False
10. 10.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a pebble
11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
12. 12.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
13. 13.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a brick (c) a thin water stream (d) dry hair
14. 14.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
16. 16.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) dry hair (d) a thin water stream
17. 17.🔮 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
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a mirror (d) a plastic comb
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a balloon
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.⚖️ 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
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) a balloon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) the paper bit size (d) paper bits picked up
26. 26.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
27. 27.⚡ 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
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
29. 29.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
30. 30.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) a steel spoon (d) a heavy book
32. 32.True or false: a magnet is not needed for the static comb. (a) False (b) True
33. 33.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
36. 36.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) wet hair is magnetic (d) water adds charge
37. 37.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) static electricity (d) sunlight
38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a thin water stream (d) a pebble
39. 39.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same hair

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