Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 478 · 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) muddy water (b) sand and pebbles (c) a battery cell (d) a funnel
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
4. 4.⚖️ 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
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
7. 7.🔮 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
8. 8.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
9. 9.True or false: husk from rice grain is done by winnowing. (a) True (b) False
10. 10.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
11. 11.🫗 How do we separate bran from wheat flour? (a) evaporating (b) winnowing (c) filtering (d) sieving
12. 12.⚖️ 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 amount poured (c) how clear the water is
13. 13.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) yes, all of it (d) no, salt passes through
14. 14.True or false: mud from water is done by filtering. (a) False (b) True
15. 15.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) lick your fingers (d) wipe hands on face
16. 16.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) muddy water (c) a mirror (d) a magnet
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) muddy water (d) sand and pebbles
18. 18.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) husk from rice grain (c) sugar from sugar water (d) mud from water
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) turmeric powder (d) sand and pebbles
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) yeast (d) muddy water
24. 24.⚖️ 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) False (b) True
25. 25.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) chaff from wheat grain (c) tea leaves from tea (d) salt from sea water
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a magnet (d) a clean glass
27. 27.True or false: salt from sea water is done by evaporating. (a) False (b) True
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) a funnel (c) a clean glass (d) muddy water
29. 29.True or false: a clean glass is 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? Which of these is what we measure? (a) how clear the water is (b) the same muddy water (c) the same funnel (d) the amount poured
31. 31.⚖️ 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 funnel (b) how clear the water is (c) the filter material (d) the same muddy water
32. 32.⚖️ 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 glass (c) how clear the water is
33. 33.⚖️ 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) True (b) False
34. 34.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
35. 35.True or false: bran from wheat flour is done by evaporating. (a) True (b) False
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) muddy water (d) sand and pebbles
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
38. 38.🫗 How do we separate husk from rice grain? (a) evaporating (b) winnowing (c) filtering (d) sieving
39. 39.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
40. 40.🫗 How do we separate gravel from fine sand? (a) evaporating (b) winnowing (c) filtering (d) sieving

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