Share G3-4 Summer Science Week 3
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What is a mixture?
different substances mixed together
Are the substances in a mixture chemically bonded?
no
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, where do the large particles settle?
at the bottom
What is the substance that dissolves called?
solute
What is the liquid that does the dissolving called?
solvent
What is the solvent in a sugar-water solution?
water
What happens to sugar molecules when sugar dissolves in water?
they spread between the water molecules
Why can you no longer see sugar after it dissolves?
the particles are spread out
Name one gas that can dissolve in water.
carbon dioxide
What makes sparkling water fizzy?
carbon dioxide bubbles
What action helps a solute dissolve faster in water?
stirring
Why does hot water dissolve substances faster than cold water?
the molecules move faster
What do we call a solution with only a small amount of solute?
dilute
