Properties of Material

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Properties of Material

State of Matter

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Lesson Objectives:

By the end of this lesson, learners will be able to…  -Explain the different characteristics/ properties of solids, liquid and gas -Use properties of solids, liquids and gas to classify objects -Make observations and record the results of an experiment -Formulate a hypothesis and a conclusion

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What is Matter?

Matter is the "stuff" that makes up the universe — everything that takes up space and has mass is matter . Matter consist of three states: Solid Liquid Gas

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Solid

Solids can be considered to be hard as a rock or soft as fur. The key to a solid is that it has a definite shape and volume. It holds its shape and wont flow like a liquid. A rock will always look like a rock unless something happens to it. A solid can hold its shape

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Liquid

A liquid is something that can change its shape if poured into another container. A liquid can feel wet. Examples of things that are liquid at room temperature include water, blood, gasoline, and lemonade.

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Gas

Gases are everywhere. Solid molecules are tightly compacted together, liquid molecules are less organized and more spread out, while gas molecules are very spread out and disorganized. Gas molecules fill up any container with no consideration to size or shape.

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Chemical Change and Physical Change

A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding

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Chemical and Physical Changes of Matter