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Changes in State. Solid to a Liquid Melting. – Where a solid changes to a liquid. – Particles must gain energy and become free to move around. Melting.

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Presentation on theme: "Changes in State. Solid to a Liquid Melting. – Where a solid changes to a liquid. – Particles must gain energy and become free to move around. Melting."— Presentation transcript:

1 Changes in State

2 Solid to a Liquid Melting. – Where a solid changes to a liquid. – Particles must gain energy and become free to move around. Melting Point. – The temperature at which melting occurs.

3 Liquid to a Gas Vaporization: – Where a liquid changes to a gas. – Particles gain more energy and separate from each other. Two types: – Boiling Happens at the boiling point Happens throughout the liquid. – Evaporation. Below the boiling point. Only occurs at the surface of the liquid. Boiling Point. – The temperature at which a liquid boils. Website

4 Label the type of vaporization.

5 Melting and Vaporization Video

6 Gas to a Liquid Condensation – Where a gas becomes a liquid. – The reverse of vaporization – Occurs when a gas loses enough energy to form a liquid. – Particles slow down and come back together.

7 Liquid to a Solid Freezing. – Where a liquid changes to a solid. – Particles must lose enough energy that they no longer move around freely. Freezing Point. – The temperature at which freezing occurs.

8

9 Sublimation Where a Solid changes to a Gas, or and Gas changes to a Solid. The change either way skips the liquid state. Examples: – Dry ice. – Formation of snow.

10 Condensation, Freezing, & Sublimation


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