Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 894 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the same glass (c) the filter material (d) how clear the water is
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) a funnel (d) yeast
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) sand and pebbles (d) yeast
4. 4.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
5. 5.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) a clean glass (d) a magnet
6. 6.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
7. 7.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
8. 8.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) chaff from wheat grain (c) salt from sea water (d) bad grains from rice
9. 9.True or false: husk from rice grain is done by handpicking. (a) False (b) True
10. 10.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
11. 11.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
12. 12.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
13. 13.🛟 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
14. 14.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) a magnet (d) cotton or cloth
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) leaves pass through (d) tea stays behind
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) sand and pebbles (d) a clean glass
17. 17.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
18. 18.🫗 How do we separate husk from rice grain? (a) filtering (b) evaporating (c) handpicking (d) winnowing
19. 19.🫗 Which of these is done by evaporating? (a) small stones from dal (b) bran from wheat flour (c) bad grains from rice (d) sugar from sugar water
20. 20.⚖️ 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
21. 21.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
23. 23.True or false: mud from water is done by handpicking. (a) True (b) False
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 filter material (b) the same glass (c) the same funnel (d) how clear the water is
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) yeast (d) a clean glass
26. 26.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) yes, if it is clear (d) no, germs may stay
27. 27.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) bran from wheat flour (c) bad grains from rice (d) small stones from dal
28. 28.True or false: husk from rice grain is done by evaporating. (a) False (b) True
29. 29.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) sieving (d) winnowing
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a magnet (c) sand and pebbles (d) cotton or cloth
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) cotton or cloth (d) turmeric powder
32. 32.⚖️ 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
33. 33.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) salt from sea water (c) gravel from fine sand (d) sugar from sugar water
34. 34.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
35. 35.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) gravel from fine sand (c) salt from sea water (d) chaff from wheat grain
36. 36.True or false: a magnet 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 muddy water”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) bran from wheat flour (c) mud from water (d) tea leaves from tea
39. 39.True or false: mud from water is done by filtering. (a) False (b) True
40. 40.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False

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