Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 516 · 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.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
2. 2.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
3. 3.🫗 How do we separate tea leaves from tea? (a) sieving (b) handpicking (c) winnowing (d) filtering
4. 4.⚖️ 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 measure it (c) we change it
5. 5.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) sand and pebbles (c) a clean glass (d) muddy water
6. 6.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we change it (c) we measure it
8. 8.⚖️ 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 filter material (c) the amount poured (d) how clear the water is
9. 9.🫗 How do we separate chaff from wheat grain? (a) sieving (b) handpicking (c) filtering (d) winnowing
10. 10.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) mud from water (c) chaff from wheat grain (d) bad grains from rice
11. 11.🫗 Which of these is done by filtering? (a) husk from rice grain (b) chaff from wheat grain (c) mud from water (d) salt from sea water
12. 12.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
13. 13.True or false: mud from water is done by sieving. (a) False (b) True
14. 14.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
15. 15.True or false: sugar from sugar water is done by filtering. (a) True (b) False
16. 16.🧺 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) turmeric powder
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a mirror (d) cotton or cloth
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) muddy water (d) yeast
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
21. 21.True or false: bad grains from rice is done by winnowing. (a) False (b) True
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) turmeric powder (d) muddy water
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we keep it the same (c) we measure it
25. 25.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) salt from sea water (c) bad grains from rice (d) husk from rice grain
26. 26.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) bad grains from rice (c) chaff from wheat grain (d) mud from water
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) False (b) True
28. 28.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) bran from wheat flour (c) tea leaves from tea (d) small stones from dal
29. 29.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is sweet (d) clear water is hot
30. 30.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
32. 32.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a mirror (c) a clean glass (d) muddy water
34. 34.🛟 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
35. 35.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a magnet (d) cotton or cloth
37. 37.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a clean glass (d) a battery cell
39. 39.⚖️ 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
40. 40.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind

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