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Mixtures and solutions
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Mixtures and SolutionsVocabulary
+Mixture: two or more materials stirred together.
+Property: a characteristic of an object, something you can observe (color, shape, size, or texture)
+Solution: a special mixture formed when a material dissolves in water.
Note: solutions must be CLEAR!
+Dissolving: when one material disperses uniformly into another material, so that the first material seems to disappear.
+Elements: cannot be reduced to simpler substances (everything on earth is made from these).
gold
aluminum
copper
+Earth’s most common elements:
iron; 35%
Oxygen; 28%
Mag-ne-
sium; 17%
Silicon; 13%
Other; 7%
+Elements in you!
Oxygen; 65%Carbon; 18%
Hy-drogen; 10%
Nitrogen; 3%Calcium; 2%Other; 2%
+Mixtures and Solutions singing video:
www.youtube.com/watch?v=#189E19
+Solute: a substance that dissolves in a solvent to form a solution.Solvent: a substance that dissolves the solute to form a solution.
+Saturated Solution: a solution in which as much solute as possible has been dissolved.
+Concentration: the amount of material dissolved in a measure of liquid.
+Dilute: to make a solution less concentrated, usually by adding more liquid.
+Volume: is the 3-dimensional space occupied by something (like a liquid).
+Chemical reaction: when two or more materials are mixed together and a change occurs.
+Precipitate: a solid material that forms as a product of a reaction.
+Atom: the smallest particle of an element. Atoms are the building blocks of matter.
+Molecule: The smallest part of a substance that is made up of two or more atoms.