Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 157 · 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? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same hair (d) the paper bit size
2. 2.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) yeast (d) vinegar
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) yeast (d) a plastic comb
5. 5.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
7. 7.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) a balloon (d) tiny paper bits
8. 8.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
10. 10.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) tiny paper bits
11. 11.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
12. 12.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
13. 13.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
14. 14.🛟 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
15. 15.True or false: a balloon is not needed for the static comb. (a) False (b) True
16. 16.True or false: vinegar is needed for the static comb. (a) True (b) False
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
18. 18.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
19. 19.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
22. 22.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) dry hair (d) yeast
23. 23.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
24. 24.True or false: a pebble does not move to a charged comb. (a) True (b) False
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) distance to the paper (b) the same comb (c) the paper bit size (d) number of rubs
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
27. 27.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a thin water stream (d) dry hair
28. 28.True or false: dry hair is needed for the static comb. (a) True (b) False
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a mirror
30. 30.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
31. 31.⚖️ 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
32. 32.⚖️ 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 hair (c) number of rubs
33. 33.True or false: puffed rice does not move to a charged comb. (a) False (b) True
34. 34.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a brick
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) dry hair
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
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.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) a balloon (d) a plastic comb
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids