Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 1 · 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) a funnel (b) muddy water (c) cotton or cloth (d) a mirror
2. 2.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) sand and pebbles (d) a battery cell
4. 4.🛟 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
5. 5.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
6. 6.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
7. 7.🫗 How do we separate tea leaves from tea? (a) sieving (b) handpicking (c) evaporating (d) filtering
8. 8.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) lick your fingers (d) nothing is needed
9. 9.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it turns to sand (c) it floats on top (d) it dissolves
10. 10.🫗 How do we separate bad grains from rice? (a) evaporating (b) winnowing (c) sieving (d) handpicking
11. 11.⚖️ 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 change it (c) we measure it
12. 12.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a magnet (c) a mirror (d) muddy water
13. 13.🫗 How do we separate sugar from sugar water? (a) evaporating (b) handpicking (c) winnowing (d) sieving
14. 14.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
15. 15.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) tea leaves from tea (c) bran from wheat flour (d) small stones from dal
16. 16.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) husk from rice grain (c) tea leaves from tea (d) bran from wheat flour
17. 17.⚖️ 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 same funnel (d) the filter material
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) a magnet (d) a funnel
19. 19.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
20. 20.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the filter material (c) the amount poured (d) the same glass
22. 22.⚖️ 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 same funnel
23. 23.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) yes, always (d) no, germs may stay
24. 24.True or false: gravel from fine sand is done by evaporating. (a) False (b) True
25. 25.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
26. 26.True or false: husk from rice grain is done by winnowing. (a) True (b) False
27. 27.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) a magnet (d) cotton or cloth
29. 29.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
30. 30.⚖️ 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
31. 31.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) a funnel (d) a battery cell
33. 33.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) gravel from fine sand (c) sugar from sugar water (d) bad grains from rice
34. 34.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) sand and pebbles (c) a funnel (d) muddy water
36. 36.🫗 How do we separate husk from rice grain? (a) evaporating (b) filtering (c) handpicking (d) winnowing
37. 37.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
38. 38.True or false: chaff from wheat grain is done by filtering. (a) False (b) True
39. 39.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
40. 40.True or false: salt from sea water is done by evaporating. (a) True (b) False

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