Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 171 · 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.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) cotton or cloth (c) a magnet (d) a funnel
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
3. 3.🫗 How do we separate bad grains from rice? (a) sieving (b) winnowing (c) filtering (d) handpicking
4. 4.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
5. 5.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) salt from sea water (c) tea leaves from tea (d) gravel from fine sand
6. 6.⚖️ 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 same muddy water (c) how clear the water is (d) the filter material
7. 7.⚖️ 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 same funnel (c) the same muddy water (d) how clear the water is
8. 8.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) yeast (d) cotton or cloth
10. 10.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) salt from sea water (c) bad grains from rice (d) gravel from fine sand
11. 11.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing
12. 12.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) salty (d) muddier
14. 14.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) a mirror (d) sand and pebbles
15. 15.⚖️ 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 funnel (c) how clear the water is
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
18. 18.True or false: yeast is needed for the muddy water filter. (a) True (b) False
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) muddy water (d) a battery cell
20. 20.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) leaves pass through (d) tea stays behind
21. 21.🫗 Which of these is done by handpicking? (a) salt from sea water (b) small stones from dal (c) chaff from wheat grain (d) husk from rice grain
22. 22.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
23. 23.True or false: salt from sea water is done by evaporating. (a) True (b) False
24. 24.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
25. 25.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
27. 27.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a funnel (c) a battery cell (d) a balloon
28. 28.🛟 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
29. 29.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
30. 30.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it sinks to the bottom (c) it floats on top (d) it turns to sand
31. 31.🫗 How do we separate husk from rice grain? (a) handpicking (b) winnowing (c) sieving (d) evaporating
32. 32.⚖️ 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
33. 33.🫗 How do we separate sugar from sugar water? (a) evaporating (b) sieving (c) filtering (d) handpicking
34. 34.🫗 How do we separate tea leaves from tea? (a) handpicking (b) filtering (c) winnowing (d) sieving
35. 35.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
36. 36.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) muddy water (c) a mirror (d) yeast
37. 37.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) cotton or cloth (c) a clean glass (d) muddy water
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
40. 40.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) a clean glass (d) a mirror

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