Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 601 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) muddy water (d) sand and pebbles
2. 2.⚖️ 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
3. 3.True or false: small stones from dal is done by handpicking. (a) True (b) False
4. 4.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
5. 5.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is hot (d) clear water is salty
6. 6.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
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.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it floats on top (c) it turns to sand (d) it dissolves
9. 9.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) it turns to sugar (d) no, salt passes through
10. 10.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
11. 11.True or false: tea leaves from tea is done by handpicking. (a) False (b) True
12. 12.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) chaff from wheat grain (c) sugar from sugar water (d) small stones from dal
13. 13.🫗 How do we separate sugar from sugar water? (a) winnowing (b) evaporating (c) sieving (d) filtering
14. 14.⚖️ 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
15. 15.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) sugar from sugar water (c) gravel from fine sand (d) bran from wheat flour
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) yeast (d) muddy water
17. 17.🫗 Which of these is done by sieving? (a) husk from rice grain (b) sugar from sugar water (c) salt from sea water (d) gravel from fine sand
18. 18.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) a balloon (d) a funnel
19. 19.⚖️ 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) how clear the water is (c) the same muddy water (d) the filter material
20. 20.⚖️ 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
21. 21.🧺 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) a balloon
22. 22.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a mirror (d) a battery cell
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) a clean glass (d) sand and pebbles
24. 24.True or false: small stones from dal is done by sieving. (a) False (b) True
25. 25.🫗 Which of these is done by evaporating? (a) salt from sea water (b) small stones from dal (c) bran from wheat flour (d) husk from rice grain
26. 26.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
28. 28.⚖️ 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
29. 29.True or false: sugar from sugar water is done by handpicking. (a) False (b) True
30. 30.🫗 How do we separate gravel from fine sand? (a) winnowing (b) evaporating (c) sieving (d) filtering
31. 31.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the mud dissolves (d) the filter adds soap
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 amount poured
33. 33.True or false: mud from water is done by winnowing. (a) False (b) True
34. 34.True or false: small stones from dal is done by winnowing. (a) True (b) False
35. 35.True or false: bad grains from rice is done by sieving. (a) True (b) False
36. 36.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) sand and pebbles (d) a balloon
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) muddy water (c) sand and pebbles (d) a funnel
39. 39.⚖️ 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
40. 40.⚖️ 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

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