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Phases of Matter

Phases of Matter. Earth Science Intro Unit. I will be able to define and describe matter and the three Phases of matter. What are the Phases of Matter?. Matter All matter is made of atoms. Atoms are in constant motion. Particle movement determines the Phase of matter. Phases of Matter.

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Phases of Matter

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  1. Phases of Matter Earth Science Intro Unit

  2. I will be able to define and describe matter and the three Phases of matter. What are the Phases of Matter? • Matter • All matter is made of atoms. • Atoms are in constant motion. • Particle movement determines the Phase of matter. • Phases of Matter. • Solid • Liquid • Gas

  3. I will be able to define and describe matter and the three Phases of matter. What are the Phases of Matter? • Solids • Shape: • Definite • Volume: • Definite • Atoms: • Very close together. • Vibrate in place. • Exception: • Water, ice has more space between atoms than liquid water.

  4. I will be able to define and describe matter and the three Phases of matter. What are the Phases of Matter? • Liquids • Shape: • Not definite • Volume: • Definite • Atoms: • Further apart • Move, have more kinetic energy. Kinetic energy is the energy of motion.

  5. I will be able to define and describe matter and the three Phases of matter. What are the Phases of Matter? • Gases • Shape: • Not definite • Volume: • Not Definite • Atoms: • Very far apart. • Moving very fast.

  6. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Changes in Phases • A change of a substance from one physical Phase to another. • Examples: • Water vapor to liquid water. • Liquid water to ice.

  7. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Energy Gained or Lost • To change Phase, energy must be added or removed. • Gaining or losing energy changes the temperature of a substance.

  8. I will be able to explain what a change in Phase is and describe how matter changes Phase. What happens to matter when a change of Phase occurs? • Energy / Motion of Particles. • Energy of the particles change. • The speed and the distance between particles change.

  9. I will be able to explain what a change in Phase is and describe how matter changes Phase. What happens to matter when a change of Phase occurs? • Energy / Motion of Particles. • Solids • Vibrate in place, particles close together

  10. I will be able to explain what a change in Phase is and describe how matter changes Phase. What happens to matter when a change of Phase occurs? • Energy / Motion of Particles. • Liquids • Move around • Particles further apart.

  11. I will be able to explain what a change in Phase is and describe how matter changes Phase. What happens to matter when a change of Phase occurs? • Energy / Motion of Particles. • Gas- • Move quickly • Particles very far apart.

  12. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Melting • Solid becomes liquid. • Energy is added • Particles speed up. • Temperature rises • Melting point • Temperature at which a substance changes from a solid to a liquid.

  13. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Vaporization • Process by which liquids or solids change to a gas.

  14. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Sublimation • Change in Phase from a solid directly into a gas. (skips liquid Phase) • Add heat • Atoms gain energy • Escape into the air as a gas. • Example: Dry Ice

  15. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Evaporation • Add heat to a liquid • Atoms gain energy. • Move faster • Evaporation • Particles can escape from the surface of a liquid if enough heat is added.

  16. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Boiling • A rapid change from a liquid to a gas (vapor) • Boiling Point • The temperature at which this occurs in a liquid. • 100°C • 212°F

  17. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Condensation • The change in Phase from a gas to a liquid. • Cooling a gas • Particles lose energy.

  18. I will be able to explain what a change in Phase is and describe how matter changes Phase. What is a change in Phase? • Freezing • Liquid becomes solid. • Loss of energy. • Particles slow down • Temperature cools • Freezing point • Temperature at which a substance changes into a solid. • Water = 0C or 32F

  19. I will be able to explain what a change in Phase is and describe how matter changes Phase. Eureka – Molecules in SolidsEureka – Molecules in LiquidsEureka – Molecules in GasesEureka – Volume and Density

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