Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 904 · 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 same hair is kept the same. (a) True (b) False
2. 2.⚖️ 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 same hair (d) the paper bit size
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) thermocol bits
4. 4.⚖️ 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) number of rubs (c) the paper bit size (d) the same hair
5. 5.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
6. 6.⚖️ 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
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
8. 8.🔮 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
9. 9.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a thin water stream (d) dry hair
10. 10.⚖️ 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
11. 11.🧺 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
12. 12.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) yeast (d) turmeric powder
13. 13.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) dry hair (d) a balloon
14. 14.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a thin water stream (d) a steel spoon
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) dry hair
17. 17.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
18. 18.True or false: a plastic comb is needed for the static comb. (a) False (b) True
19. 19.True or false: a brick jumps to a charged comb. (a) False (b) True
20. 20.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) thermocol bits
21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
22. 22.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) tiny paper bits (d) a magnet
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
24. 24.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) dry hair
25. 25.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a brick (c) a pebble (d) a steel spoon
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
27. 27.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) tiny paper bits (d) a steel spoon
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
30. 30.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
31. 31.⚖️ 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 change it (c) we measure it
32. 32.⚖️ 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
33. 33.True or false: a pebble jumps to a charged comb. (a) True (b) False
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) a balloon (d) tiny paper bits
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
37. 37.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) dry hair
38. 38.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) a plastic comb

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