Share G4-5 Summer Science Week 3
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What is a mixture?
two or more substances mixed together
What type of mixture is made from salt and water?
solution
What type of mixture is milk?
colloid
What type of mixture is sandy water?
suspension
In a suspension, what happens to the large particles if the mixture is left to stand?
they settle
What is the substance that dissolves called?
solute
What is the liquid that does the dissolving called?
solvent
What is a good solvent for sugar and salt?
water
What helps a solute dissolve faster in water?
stirring
Why does heating water help a solute dissolve faster?
the molecules move faster
What do we call a solution with only a small amount of solute?
dilute
What do we call a solution with a large amount of solute?
concentrated
What is a solution called when no more solute can dissolve?
saturated
What tool is used to separate sand from stones by size?
sieve
What method separates sand from water by pouring off the liquid?
decanting
What method uses filter paper to separate solids from liquids?
filtering
