Classifying Matter Elements Compounds and Mixtures www middleschoolscience

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Classifying Matter: Elements, Compounds, and Mixtures www. middleschoolscience. com

Classifying Matter: Elements, Compounds, and Mixtures www. middleschoolscience. com

Pure Substances �A sample of matter that has definite chemical and physical properties.

Pure Substances �A sample of matter that has definite chemical and physical properties.

Elements �Pure substance that cannot be separated into simpler substance by physical or chemical

Elements �Pure substance that cannot be separated into simpler substance by physical or chemical means.

Compounds Pure substance composed of two or more different elements joined by chemical bonds.

Compounds Pure substance composed of two or more different elements joined by chemical bonds. �Made of elements in a specific ratio that is always the same �Has a chemical formula �Can only be separated by chemical means, not physically

Mixtures �A combination of two or more pure substances that are not chemically combined.

Mixtures �A combination of two or more pure substances that are not chemically combined. �Substances are held together by physical forces, not chemical. �No chemical change takes place. �Each item retains its properties in the mixture. � Can be physically separated. Chem 4 kids. com

Mixtures vs. Compounds http: //www. bbc. co. uk/schools/ks 3 bitesize/science/chemistry/elements_com_mix_6. shtml

Mixtures vs. Compounds http: //www. bbc. co. uk/schools/ks 3 bitesize/science/chemistry/elements_com_mix_6. shtml

Can you identify the following? You will be shown a series of photos. Tell

Can you identify the following? You will be shown a series of photos. Tell if each photo represents an item composed of an element, compound, or mixture. Review: �An element contains just one type of atom. �A compound contains two or more different atoms joined together. �A mixture contains two or more different substances that are only physically joined together, not chemically. �A mixture can contain both elements and compounds.

Element, Compound, or Mixture? Rocks

Element, Compound, or Mixture? Rocks

Element, Compound, or Mixture? Rocks

Element, Compound, or Mixture? Rocks

Element, Compound, or Mixture? Copper

Element, Compound, or Mixture? Copper

Element, Compound, or Mixture? Copper

Element, Compound, or Mixture? Copper

Element, Compound, or Mixture? Jelly Beans

Element, Compound, or Mixture? Jelly Beans

Element, Compound, or Mixture? Jelly Beans

Element, Compound, or Mixture? Jelly Beans

Element, Compound, or Mixture? Table Sugar

Element, Compound, or Mixture? Table Sugar

Element, Compound, or Mixture? Table Sugar

Element, Compound, or Mixture? Table Sugar

Element, Compound, or Mixture? Diamond

Element, Compound, or Mixture? Diamond

Element, Compound, or Mixture? Diamond

Element, Compound, or Mixture? Diamond

Element, Compound, or Mixture? Tea

Element, Compound, or Mixture? Tea

Element, Compound, or Mixture? Tea

Element, Compound, or Mixture? Tea

Element, Compound, or Mixture? Salt

Element, Compound, or Mixture? Salt

Element, Compound, or Mixture? Salt

Element, Compound, or Mixture? Salt

Element, Compound, or Mixture? Neon Gas

Element, Compound, or Mixture? Neon Gas

Element, Compound, or Mixture? Neon Gas

Element, Compound, or Mixture? Neon Gas

Element, Compound, or Mixture? Salad

Element, Compound, or Mixture? Salad

Element, Compound, or Mixture? Salad

Element, Compound, or Mixture? Salad

Element, Compound, or Mixture? Pure Water

Element, Compound, or Mixture? Pure Water

Element, Compound, or Mixture? Pure Water

Element, Compound, or Mixture? Pure Water

Element, Compound, or Mixture? Aluminum

Element, Compound, or Mixture? Aluminum

Element, Compound, or Mixture? Aluminum

Element, Compound, or Mixture? Aluminum

Element, Compound, or Mixture? Lemonade

Element, Compound, or Mixture? Lemonade

Element, Compound, or Mixture? Lemonade

Element, Compound, or Mixture? Lemonade

Element, Compound, or Mixture? Silver

Element, Compound, or Mixture? Silver

Element, Compound, or Mixture? Silver

Element, Compound, or Mixture? Silver

Element, Compound, or Mixture? Sand

Element, Compound, or Mixture? Sand

Element, Compound, or Mixture? Sand

Element, Compound, or Mixture? Sand

Notes �Detailed notes are located at: http: //www. middleschoolscience. com/elementscompounds-mixtures-notes-isn. pdf �Flow Chart: http:

Notes �Detailed notes are located at: http: //www. middleschoolscience. com/elementscompounds-mixtures-notes-isn. pdf �Flow Chart: http: //www. middleschoolscience. com/matter-flow-chartisn. pdf

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