My Science library Mix It Up Solution or Mixture by Tracy Nelson Maurer Rourke Educational Media
All Mixed Up Why do some ingredients seem to disappear when you mix them together Why don’t others Here’s the scoop on mixtures and solutions Blueberries do not evenly disperse or spread throughout a dish of cream Only some spoonfuls of this mixture have blueberries Sugar stirred into water makes a solution The sugar seems to disappear or dissolve because it disperses evenly through the water
Sand does not dissolve when stirred into water This is a mixture A mixture is a combination of at least two substances with different properties that don’t chemically combine The materials in a mixture can be separated A solution is a special mixture in which one thing dissolves in another making a single form The materials don’t separate Try This Add one teaspoon of salt to a cup of water in a clear glass Stir the salt Did the salt seem to disappear Is this a solution or a mixture How do you know
