Matter: Solids, Liquids, and Gases

Three States of Matter

Learn about the three states of matter: solids, liquids, and gases.
Molecules in the Three States of Matter

See the differences in molecules in solids, liquids, and gases.

States of Matter Video and Activity

Watch and learn more about states of matter. Sort the objects into categories: solids, liquids, and gases.

Changing States of Matter

Learn how matter can change between solids, liquids, and gases.
Brain Pop Jr. - Changing States of Matter

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Solids and Liquids Activity

See what happens when you heat and cool objects.

Measuring Matter

Learn about metric measurement for solids and liquids.
Brain Pop Jr. - Grams and Kilograms

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