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The 3 States of Matter

The 3 States of Matter

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Author: Sandra Flores
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Tutorial

Liquid

Liquid substances take up the shape of the container in which they are in. The molecules that make up liquids are loosely packed and can move around but they do bump into each other. Liquids can typically flow. When heat is added to a liquid it turns into a gas, when cooled liquids turn into solids.


Introduction to the Lesson

Standards

NGSS Standards

2-PS1-1. Plan and conduct an investigation to describe and classify different kinds of materials based on their observable properties.

2-ESS1-1. Use information from several sources to provide evidence that Earth’s events can occur quickly or slowly.


CCSS Standards

RI.2.3 Describe the connection between a series of historical events, scientific ideas or concepts, or steps in technical procedures in a text.

Solid

Solids are materials that have a definite shape. The molecules that make up solids are tightly arranged together and vibrate slightly. Some solids can turn into liquids when they are heated.


Gas

Gas substances are typically invisible. They are made up of molecules that move around freely and very quickly. When cooled they condense into liquid substances. Some examples include: Oxygen that we breathe. Helium that fills balloons. Water vapor water produces when it boils.


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