Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 277 · 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 kept the same. (a) False (b) True
2. 2.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a battery cell
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
5. 5.🔮 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 sticks for a while (d) it falls straight down
6. 6.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) tiny paper bits (d) a thin water stream
7. 7.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn blue (d) they turn wet
9. 9.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a magnet (d) a plastic comb
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
12. 12.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
13. 13.True or false: vinegar is needed for the static comb. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a brick (c) thermocol bits (d) puffed rice
17. 17.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a pebble (d) thermocol bits
18. 18.⚖️ 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) number of rubs (c) the same comb
19. 19.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) tiny paper bits
20. 20.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.True or false: a magnet is not needed for the static comb. (a) True (b) False
23. 23.⚖️ 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) paper bits picked up (d) distance to the paper
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
25. 25.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
26. 26.🔮 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
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
28. 28.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
29. 29.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) a thin water stream
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the paper bit size (d) distance to the paper
32. 32.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) vinegar (d) a magnet
33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
35. 35.⚖️ 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
36. 36.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
37. 37.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
38. 38.True or false: a battery cell is not needed for the static comb. (a) True (b) False
39. 39.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
40. 40.True or false: dry hair jumps to a charged comb. (a) False (b) True

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