Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 735 · 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? True or false: the same funnel is the one thing we change. (a) True (b) False
2. 2.🫗 Which of these is done by handpicking? (a) small stones from dal (b) bran from wheat flour (c) salt from sea water (d) gravel from fine sand
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) cotton or cloth (c) sand and pebbles (d) a funnel
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
5. 5.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a balloon (c) a clean glass (d) a funnel
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) turmeric powder (d) cotton or cloth
7. 7.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) no, salt passes through (d) yes, all of it
8. 8.🫗 How do we separate salt from sea water? (a) sieving (b) filtering (c) winnowing (d) evaporating
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) sand and pebbles (d) a battery cell
10. 10.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
11. 11.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) small stones from dal (c) husk from rice grain (d) mud from water
12. 12.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
13. 13.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wash hands afterwards (c) nothing is needed (d) wipe hands on face
14. 14.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
15. 15.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
16. 16.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
17. 17.⚖️ 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
18. 18.🫗 Which of these is done by sieving? (a) husk from rice grain (b) sugar from sugar water (c) bran from wheat flour (d) bad grains from rice
19. 19.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) tea leaves from tea (c) husk from rice grain (d) chaff from wheat grain
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) sand and pebbles (d) yeast
21. 21.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it turns to sand (d) it dissolves
22. 22.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
23. 23.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) turmeric powder (d) a clean glass
26. 26.🫗 Which of these is done by evaporating? (a) mud from water (b) tea leaves from tea (c) salt from sea water (d) gravel from fine sand
27. 27.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
28. 28.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) a clean glass (d) a mirror
30. 30.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) sieving (c) evaporating (d) winnowing
31. 31.⚖️ 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 glass (c) the filter material (d) the amount poured
32. 32.True or false: chaff from wheat grain is done by evaporating. (a) True (b) False
33. 33.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) leaves pass through (d) both stay behind
34. 34.⚖️ 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
35. 35.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
36. 36.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) a clean glass (d) a mirror
38. 38.⚖️ 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
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we change it (c) we measure it

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