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States of Matter

States of Matter. Review Quiz. States of Matter. Solids, liquids and gases are the three states of matter. All matter is made from small particles. These particles are called atoms and molecules. Freeze your way into solids!. Solids. Solids have a definite shape and volume .

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States of Matter

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  1. States of Matter Review Quiz

  2. States of Matter Solids, liquids and gases are the three states of matter. All matter is made from small particles. These particles are called atoms and molecules. Freeze your way into solids!

  3. Solids • Solids have a definite shape and volume. • The particles of a solid are arranged in a tight, regular pattern, and move very little. • Particles are so close to one another that they only vibrate. Flow into liquids!

  4. Types of Solids Amorphous Crystalline • NOT arranged in a particular pattern • DOES NOT melt at specific temperatures. It just becomes softer and changes into other substances. • Examples: plastics, rubber, glass • Solids that are made of crystals • Regular, repeating pattern • Melts at a specific temperature • Examples: salt, sugar, snow

  5. Brain Break

  6. Liquids • Liquids take on the shape of the container they are in– no definite shape. • Liquids have a definite volume • Particles of a liquid move freely around one another • Fluid: “a substance that flows” Bubble into gases! Freeze your way into solids!

  7. Brain Break

  8. Properties of Liquids • Surface tension: result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together

  9. Properties of Liquids • Viscosity: a liquid’s resistance to flow • HIGH viscosity: flows slowly • LOW viscosity: flows quickly

  10. Your turn! Low viscosity High viscosity

  11. Gas • Molecules are widely separated, move around freely, and move at high speeds. • Gases do not have a definite shape • Gases also do not have a definite volume because they can be compressed (squashed into a smaller volume). Flow into liquids!

  12. Question 1 How many states of matter are there? • One • Two • Three

  13. Question 2 Atoms in a liquid are not farther apart than the atoms in a gas. • True • False Carefully read the question!

  14. Question 3 Which has the least energetic molecules? • Solid • Liquid • Gas

  15. CORRECT There are three different states of matter: solid, liquid, and gas.

  16. Correct Again!! Atoms in a gas are actually farther apart than the atoms in a liquid. Gases are the least dense and have atoms that are the most spread out.

  17. Geeze, you are extremely smart!! Solids have the least energetic molecules.

  18. You are Finished! Good Job!

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