Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 663 · 40 questions

What you do (Choose the right way): 1. Put cotton or cloth in the funnel, then layers of sand and small pebbles. 2. Stand the funnel in a clean glass. 3. Pour muddy water in slowly and watch what drips out. 4. Compare the colour before and after — never drink it — and wash your hands.

1. 1.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
2. 2.True or false: bad grains from rice is done by handpicking. (a) False (b) True
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) muddy water (c) a mirror (d) turmeric powder
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we keep it the same (c) we measure it
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same glass (c) the same muddy water (d) the amount poured
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) small stones from dal (c) gravel from fine sand (d) sugar from sugar water
10. 10.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) no, germs may stay (c) yes, always (d) yes, if it is clear
11. 11.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
12. 12.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
13. 13.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a clean glass (d) a mirror
15. 15.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a clean glass (c) a battery cell (d) turmeric powder
16. 16.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
17. 17.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the mud dissolves (d) the water evaporates
18. 18.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
19. 19.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the same muddy water (c) how clear the water is
21. 21.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a balloon (c) turmeric powder (d) a battery cell
22. 22.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is sweet (d) clear water is hot
23. 23.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) chaff from wheat grain (c) husk from rice grain (d) salt from sea water
24. 24.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
25. 25.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) evaporating (d) sieving
26. 26.🫗 How do we separate salt from sea water? (a) sieving (b) handpicking (c) filtering (d) evaporating
27. 27.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same muddy water (b) the same funnel (c) the same glass (d) the filter material
29. 29.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
31. 31.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) yeast (d) turmeric powder
34. 34.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
35. 35.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
36. 36.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) salt from sea water (c) small stones from dal (d) sugar from sugar water
37. 37.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a balloon (d) muddy water
39. 39.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a magnet (d) sand and pebbles

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