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Exploring Matter

Exploring Matter. Unit Review. What is Matter?. Matter is anything that takes up space and has weight. Matter has three forms. Matter can be a solid, a liquid, or a gas. Matter is made up of tiny particles called molecules. What do we know about solids?. Solids take up space and have mass.

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Exploring Matter

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  1. Exploring Matter Unit Review

  2. What is Matter? • Matter is anything that takes up space and has weight. • Matter has three forms. • Matter can be a solid, a liquid, or a gas. • Matter is made up of tiny particles called molecules.

  3. What do we know about solids? • Solids take up space and have mass. • Solids have a shape of their own. • Solids can be described by their physical properties. • Solids can be measured.

  4. What do we know about liquids? • Liquids take up space and have mass. • Liquids do not have a shape of their own. • Liquids take the shape of their container. • Liquids can be measured (mass and volume).

  5. What do we know about gases? • A gas takes up space and has mass. • A gas takes the shape of its container. • A gas is the only kind of matter that always fills all the space inside a container. • The mass of a gas can be measured.

  6. Physical Changes in Matter • Cutting • Mixing • Shaping • Changing from one state of matter to another. • Melting • Freezing • Evaporating

  7. Other changes in matter • Some changes in matter are reversible. • Some changes in matter are irreversible. • Rusting, burning, and cooking are irreversible changes.

  8. Wonderful Water • Water can be a solid, a liquid, or a gas. • Water as a solid may be ice or snow. • Water as a liquid may be drinking water. • Water as a gas is water vapor. • Heat changes water from one form to another. • Water in all three states make up the water cycle.

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