Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 917 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
2. 2.True or false: mud from water is done by filtering. (a) False (b) True
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is sweet (c) clear water is salty (d) germs are invisible
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) muddy water (d) yeast
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) turmeric powder
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
7. 7.⚖️ 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
8. 8.🫗 How do we separate gravel from fine sand? (a) evaporating (b) filtering (c) sieving (d) winnowing
9. 9.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
10. 10.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a mirror (d) a balloon
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the filter material (c) the same glass (d) how clear the water is
12. 12.🫗 Which of these is done by handpicking? (a) small stones from dal (b) chaff from wheat grain (c) gravel from fine sand (d) husk from rice grain
13. 13.🫗 How do we separate sugar from sugar water? (a) winnowing (b) evaporating (c) filtering (d) sieving
14. 14.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a clean glass (c) a funnel (d) muddy water
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) muddy water (d) cotton or cloth
18. 18.True or false: sugar from sugar water is done by winnowing. (a) True (b) False
19. 19.🫗 Which of these is done by sieving? (a) mud from water (b) chaff from wheat grain (c) sugar from sugar water (d) gravel from fine sand
20. 20.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
21. 21.⚖️ 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 glass (b) the filter material (c) the amount poured (d) the same funnel
22. 22.🫗 Which of these is done by evaporating? (a) salt from sea water (b) bad grains from rice (c) small stones from dal (d) mud from water
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a funnel (d) yeast
24. 24.True or false: bad grains from rice is done by sieving. (a) True (b) False
25. 25.🫗 How do we separate salt from sea water? (a) evaporating (b) filtering (c) winnowing (d) handpicking
26. 26.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
27. 27.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) bad grains from rice (c) husk from rice grain (d) tea leaves from tea
28. 28.🫗 How do we separate chaff from wheat grain? (a) sieving (b) evaporating (c) winnowing (d) filtering
29. 29.⚖️ 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) True (b) False
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
32. 32.⚖️ 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
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) cotton or cloth (d) a mirror
34. 34.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
35. 35.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) bran from wheat flour (c) tea leaves from tea (d) husk from rice grain
36. 36.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
39. 39.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
40. 40.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False

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