Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 781 · 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 does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) tiny paper bits
2. 2.True or false: dry hair is needed for the static comb. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
4. 4.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
5. 5.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
6. 6.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) yeast (d) dry hair
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
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) number of rubs (b) the same hair (c) the same comb (d) distance to the paper
13. 13.True or false: a magnet is needed for the static comb. (a) True (b) False
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) tiny paper bits
15. 15.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.True or false: a magnet is not needed for the static comb. (a) True (b) False
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
19. 19.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
21. 21.⚖️ 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) True (b) False
22. 22.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
23. 23.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
24. 24.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
25. 25.True or false: a battery cell is needed for the static comb. (a) True (b) False
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) tiny paper bits
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) turmeric powder
29. 29.⚖️ 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
30. 30.True or false: a mirror is not needed for the static comb. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) puffed rice
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
35. 35.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) tiny paper bits (d) dry hair
36. 36.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
37. 37.True or false: vinegar is not needed for the static comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
40. 40.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a brick

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