Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 791 · 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.True or false: a brick jumps to a charged comb. (a) True (b) False
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) paper bits picked up (c) number of rubs (d) the paper bit size
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.⚖️ 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) False (b) True
6. 6.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) a steel spoon (d) a heavy book
7. 7.🛟 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
8. 8.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a battery cell (d) tiny paper bits
9. 9.⚡ 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
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a magnet
13. 13.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) dry hair
15. 15.True or false: a heavy book jumps to a charged comb. (a) False (b) True
16. 16.True or false: dry hair is not needed for the static comb. (a) True (b) False
17. 17.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
18. 18.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a heavy book
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
21. 21.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a pebble (d) a thin water stream
22. 22.True or false: turmeric powder is needed for the static comb. (a) True (b) False
23. 23.⚖️ 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
24. 24.⚖️ 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) paper bits picked up (c) distance to the paper (d) the same comb
25. 25.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
26. 26.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) yeast
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) turmeric powder
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
29. 29.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) dry hair (d) thermocol bits
30. 30.⚡ 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
31. 31.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) thermocol bits (d) a brick
36. 36.⚖️ 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) True (b) False
37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) thermocol bits (d) a brick
38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
39. 39.True or false: a battery cell is needed for the static comb. (a) True (b) False
40. 40.True or false: a mirror is needed for the static comb. (a) True (b) False

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