Thursday, October 7, 2010

Matter and examples

Matter

1. Pure substance

· Element

· Compounds

2. Mixtures

· Solutions

· Mechanical Mixture

· Suspension

Defintions for words above:

1. Matter: Occupies space and presents mass

2. Pure Substance: a kind of matter that cannot be separated into other kinds of matter by any physical or chemical process

3. Element: An element is a substance that is made of one type of atom

4. Compounds: are made up of two or more types of elements

5. Mixtures: A mixture is a substance made by combining two or more different materials and there is no chemical reaction

6. Solutions: A solution is a mixture of one substance dissolved in another so the properties are the same

7. Mechanical Mixture: A mechanical mixture is a mixture of 2 different ingredients that stay separate not matter how much it’s mixed together

8. Suspension: A mixture in which particles suspend in a fluid where they’re supported by buoyancy

Examples of each:

1. Matter: A pencil

2. Pure Substance: Pure water

3. Element: Helium

4. Compounds: Water/Sodium

5. Mixtures: Salt and sugar

6. Solutions: Chocolate Milk

7. Mechanical mixture: Concrete

8. Suspension: Food Colouring

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