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.
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- 1.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a balloon (c) a clean glass (d) a funnel
- 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
- 3.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) small stones from dal (c) sugar from sugar water (d) chaff from wheat grain
- 4.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
- 5.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is salty (d) clear water is sweet
- 6.⚖️ 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
- 7.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) salty (d) muddier
- 8.🫗 How do we separate mud from water? (a) winnowing (b) filtering (c) sieving (d) evaporating
- 9.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
- 10.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) mud from water (c) bad grains from rice (d) salt from sea water
- 11.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
- 12.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) a battery cell (d) sand and pebbles
- 13.True or false: small stones from dal is done by handpicking. (a) True (b) False
- 14.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) no, germs may stay (d) yes, if it is clear
- 15.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) filtering (d) winnowing
- 16.⚖️ 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 change it (b) we keep it the same (c) we measure it
- 17.🫗 Which of these is done by filtering? (a) small stones from dal (b) mud from water (c) bran from wheat flour (d) gravel from fine sand
- 18.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
- 19.🧺 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
- 20.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) sieving (d) filtering
- 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
- 22.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) turmeric powder (d) a funnel
- 23.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
- 24.🫗 Which of these is done by winnowing? (a) salt from sea water (b) sugar from sugar water (c) husk from rice grain (d) tea leaves from tea
- 25.True or false: husk from rice grain is done by winnowing. (a) False (b) True
- 26.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
- 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) muddy water (d) cotton or cloth
- 28.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
- 29.🫗 Which of these is done by handpicking? (a) salt from sea water (b) bran from wheat flour (c) tea leaves from tea (d) small stones from dal
- 30.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) it turns to sand (d) no, salt passes through
- 31.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
- 32.True or false: bran from wheat flour is done by sieving. (a) False (b) True
- 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) how clear the water is (c) the filter material
- 34.⚖️ 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 same muddy water
- 35.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a funnel (c) a battery cell (d) turmeric powder
- 36.🫗 How do we separate gravel from fine sand? (a) handpicking (b) evaporating (c) filtering (d) sieving
- 37.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
- 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
- 39.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a battery cell (c) muddy water (d) a clean glass
- 40.⚖️ 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) how clear the water is (c) the filter material (d) the same muddy water
Answer key
- a balloon
- False
- chaff from wheat grain
- not needed
- germs are invisible
- the same muddy water
- clearer
- filtering
- False
- bad grains from rice
- True
- sand and pebbles
- True
- no, germs may stay
- filtering
- we measure it
- mud from water
- needed
- yeast
- sieving
- True
- turmeric powder
- needed
- husk from rice grain
- True
- True
- a magnet
- needed
- small stones from dal
- no, salt passes through
- True
- True
- the same glass
- how clear the water is
- a funnel
- sieving
- not needed
- we change it
- a battery cell
- the filter material
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