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