Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 933 · 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: paper bits picked up is what we measure. (a) False (b) True
2. 2.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
4. 4.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
5. 5.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
6. 6.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) dry hair
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a magnet
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
10. 10.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a heavy book (d) a pebble
11. 11.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
12. 12.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
13. 13.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a heavy book
14. 14.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
16. 16.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) dry hair (d) a brick
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
18. 18.True or false: dry hair is not needed for the static comb. (a) False (b) True
19. 19.True or false: a plastic comb is needed for the static comb. (a) False (b) True
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚖️ 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 paper bit size
23. 23.True or false: a battery cell is not needed for the static comb. (a) True (b) False
24. 24.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
25. 25.⚖️ 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 comb (c) the same hair (d) distance to the paper
26. 26.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a heavy book
27. 27.⚖️ 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) the paper bit size
28. 28.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
29. 29.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) yeast (d) tiny paper bits
30. 30.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
31. 31.True or false: a heavy book jumps to a charged comb. (a) True (b) False
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a balloon (d) a plastic comb
33. 33.True or false: a mirror is needed for the static comb. (a) False (b) True
34. 34.True or false: a pebble does not move to a charged comb. (a) False (b) True
35. 35.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a mirror (d) tiny paper bits
37. 37.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
38. 38.⚖️ 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
39. 39.True or false: puffed rice does not move to a charged comb. (a) False (b) True
40. 40.True or false: dry hair does not move to a charged comb. (a) True (b) False

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