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Hi, Cuarto. Welcome back. I hope you had an enjoyable spring break.

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Today we're going to be covering Unit 4 of Natural Sciences on matter.

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So the objectives. In this unit, you will learn about classifying materials by their properties,

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properties of matter, which are volume, mass, and density, physical and chemical changes in matter,

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mixtures and solutions methods of separating mixtures one everything is

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made of matter it can be natural or man-made to matter exists in three

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states solid liquid and gas three mass is the amount of matter in an object for

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volume is the space matter takes up. Five, all matter changes. Six, different materials have

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different properties.