Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 709 · 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 needed for the static comb? (a) a mirror (b) a battery cell (c) vinegar (d) a plastic comb
2. 2.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) puffed rice
3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
5. 5.True or false: vinegar is not needed for the static comb. (a) False (b) True
6. 6.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
7. 7.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
8. 8.⚖️ 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) number of rubs (c) paper bits picked up (d) distance to the paper
9. 9.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
11. 11.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) dry hair
12. 12.⚖️ 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) number of rubs (c) distance to the paper (d) the paper bit size
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) dry hair (d) a balloon
14. 14.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) puffed rice
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) tiny paper bits
16. 16.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
17. 17.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
19. 19.True or false: dry hair is needed for the static comb. (a) True (b) False
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
21. 21.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a mirror
22. 22.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) a thin water stream (d) tiny paper bits
23. 23.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) a balloon
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) a balloon (d) dry hair
26. 26.True or false: a magnet is needed for the static comb. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a heavy book (d) dry hair
28. 28.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
29. 29.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) vinegar (d) a magnet
30. 30.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
33. 33.🧺 Which of these is not needed for the static comb? (a) a magnet (b) dry hair (c) a plastic comb (d) tiny paper bits
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a magnet
35. 35.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
37. 37.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
38. 38.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) dry days are noisy (d) wet hair is magnetic
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
40. 40.⚖️ 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 change it (c) we keep it the same

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