Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 501 · 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 not needed for the static comb? (a) dry hair (b) a plastic comb (c) a battery cell (d) a balloon
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
3. 3.⚖️ 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) True (b) False
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
6. 6.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a pebble
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) dry hair (d) a balloon
8. 8.🔮 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
9. 9.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a battery cell
11. 11.🛟 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
12. 12.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) turmeric powder (d) tiny paper bits
14. 14.⚖️ 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) True (b) False
15. 15.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) tiny paper bits (d) thermocol bits
16. 16.True or false: a magnet is not needed for the static comb. (a) False (b) True
17. 17.True or false: vinegar is not needed for the static comb. (a) True (b) False
18. 18.True or false: dry hair is needed for the static comb. (a) True (b) False
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
21. 21.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) a thin water stream
22. 22.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a steel spoon
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) number of rubs
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a mirror
26. 26.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
27. 27.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
28. 28.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
30. 30.⚖️ 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
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a brick (d) a heavy book
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) number of rubs
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
34. 34.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
35. 35.⚡ 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
36. 36.⚖️ 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
37. 37.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) puffed rice (d) tiny paper bits
38. 38.🧺 Which of these is not needed for the static comb? (a) a mirror (b) dry hair (c) tiny paper bits (d) a plastic comb
39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a steel spoon
40. 40.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) vinegar (d) a battery cell

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