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Understanding Matter: States, Changes, and Properties

This educational content explores the concept of matter, focusing on its fundamental properties, states, and transformations. Matter is composed of atoms, the building blocks that form elements and compounds, such as oxygen and water. The three states of matter—solid, liquid, and gas—are explained in terms of molecular proximity and movement. The distinction between physical changes, which are reversible, and chemical changes, which result in new substances, is also clarified. Additionally, the content covers pure substances and mixtures, along with methods of separation.

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Understanding Matter: States, Changes, and Properties

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Presentation Transcript

  1. UNIT 5 MATTER

  2. Waterchangeswhenitheats up oritcoolsdown. Thesechanges are reversible.

  3. MATTER Matterismade of atoms. Atoms are thebuilding blocks of matter. Oxygen molecule is an element because there is one kind of atoms. Water molecule is a compound because there is two kinds of atoms.

  4. STATES OF MATTER Solid: themolecules are veryclosetogether. Liquid: themoleculesaren’t so closetogether . Gas: themolecules can movefreely.

  5. PHYSICAL CHANGES Thesubstancechangesbutthematterstaysthesame. TEMEPRATURE

  6. CHEMICAL CHANGES Thesubstanceschangesinto a differentsubstance.

  7. Puresubstance: can beelementsorcompounds. Mixtures: are made up of twoor more puresubstances.

  8. Waystoseparatethe mixtures

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