Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 742 · 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 the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) distance to the paper
2. 2.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a pebble
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
4. 4.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
6. 6.⚖️ 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
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
8. 8.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
9. 9.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the paper bit size (c) paper bits picked up (d) distance to the paper
12. 12.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) a thin water stream (d) dry hair
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
14. 14.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a steel spoon
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
16. 16.True or false: dry hair is not needed for the static comb. (a) True (b) False
17. 17.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
20. 20.⚖️ 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
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
22. 22.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.⚖️ 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 measure it (c) we keep it the same
27. 27.⚖️ 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
28. 28.⚖️ 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
29. 29.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
30. 30.⚖️ 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
31. 31.True or false: a magnet is not needed for the static comb. (a) False (b) True
32. 32.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) turmeric powder (d) dry hair
33. 33.True or false: a pebble does not move to a charged comb. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a brick (d) a pebble
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
36. 36.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
40. 40.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move

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