Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 762 · 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.🫗 How do we separate salt from sea water? (a) winnowing (b) evaporating (c) filtering (d) sieving
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
3. 3.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a battery cell (c) a magnet (d) a mirror
4. 4.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) wash hands afterwards (d) nothing is needed
5. 5.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) sugar from sugar water (c) small stones from dal (d) mud from water
6. 6.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) small stones from dal (c) tea leaves from tea (d) gravel from fine sand
7. 7.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
8. 8.🫗 How do we separate mud from water? (a) evaporating (b) handpicking (c) winnowing (d) filtering
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) yeast (d) a funnel
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
12. 12.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is salty (d) clear water is sweet
13. 13.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) gravel from fine sand (c) salt from sea water (d) chaff from wheat grain
14. 14.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a mirror (d) a clean glass
15. 15.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
16. 16.True or false: bran from wheat flour is done by filtering. (a) False (b) True
17. 17.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it floats on top (c) it dissolves (d) it turns to sand
18. 18.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) small stones from dal (c) mud from water (d) bad grains from rice
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) True (b) False
20. 20.True or false: bran from wheat flour is done by sieving. (a) True (b) False
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
23. 23.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the same muddy water (c) the filter material (d) the same funnel
25. 25.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) cotton or cloth (c) a clean glass (d) muddy water
27. 27.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) muddy water (d) a magnet
29. 29.🫗 How do we separate bran from wheat flour? (a) handpicking (b) sieving (c) filtering (d) winnowing
30. 30.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a clean glass (d) cotton or cloth
32. 32.True or false: bad grains from rice is done by evaporating. (a) False (b) True
33. 33.True or false: tea leaves from tea is done by filtering. (a) False (b) True
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same glass
35. 35.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) yes, all of it (d) it turns to sugar
36. 36.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
37. 37.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
38. 38.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) both stay behind (d) tea stays behind
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) cotton or cloth (d) yeast
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the amount poured (c) the same muddy water (d) how clear the water is

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