Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 736 · 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.⚖️ 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
2. 2.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
4. 4.True or false: vinegar is needed for the static comb. (a) False (b) True
5. 5.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
6. 6.True or false: a pebble jumps to a charged comb. (a) True (b) False
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
8. 8.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) they turn wet (d) nothing happens
10. 10.True or false: a battery cell is not needed for the static comb. (a) False (b) True
11. 11.🔮 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
12. 12.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
13. 13.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
14. 14.🛟 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) plug points at home (d) a rubbed balloon
15. 15.⚖️ 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) paper bits picked up (c) the same hair (d) number of rubs
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
17. 17.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a steel spoon
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) puffed rice (d) a brick
19. 19.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
20. 20.True or false: puffed rice jumps to a charged comb. (a) False (b) True
21. 21.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) tiny paper bits (d) a magnet
22. 22.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
23. 23.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
24. 24.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
25. 25.⚡ A rubbed comb is held near thermocol bits. 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: number of rubs 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) dry hair (d) vinegar
28. 28.⚖️ 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) the paper bit size (c) number of rubs (d) distance to the paper
29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) dry hair (d) vinegar
30. 30.True or false: dry hair is needed for the static comb. (a) True (b) False
31. 31.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) a balloon
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
34. 34.True or false: a heavy book does not move to a charged comb. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a brick
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) tiny paper bits
38. 38.⚖️ 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
39. 39.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
40. 40.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed

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