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Exploring Phases of Matter: An Introductory Guide

Learn about matter and its three phases - solid, liquid, gas. Understand phase changes and how energy affects matter's motion and structure.

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Exploring Phases of Matter: An Introductory Guide

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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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