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### Lesson 1: Matter and Its Properties - What is Matter? It is defined as any substance that has mass and takes up space (has volume). - What is Mass? Measure of the amount of matter in a substance or an object. - What is Volume? Measure of the amount of space that a substance or an object takes u...

### Lesson 1: Matter and Its Properties - What is Matter? It is defined as any substance that has mass and takes up space (has volume). - What is Mass? Measure of the amount of matter in a substance or an object. - What is Volume? Measure of the amount of space that a substance or an object takes up. - What is Properties of Matter? Substances have characteristics that help you describe and identify them. * Properties of Matter can be categorized into physical or chemical properties and can also be classified as intensive and extensive properties. - What is Physical Properties? Without changing one kind of matter into something new. - What is Chemical Properties? When one kind of matter is converted into a different kind of matter. - What is Physical Changes? The changes that affect the physical appearance of matter, but not its composition. - The melting point is the same as its freezing point. So, if the energy is being removed from a substance, then it is freezing. But if the energy is being added to a substance, then it is melting. - What is Endothermic Processes? Adding or absorbing of energy. - What is Exothermic Processes? Removing or releasing of energy. - What is Chemical Chnages? The changes that alter the composition of matter.