States of Matter. Video on States of Matter Questions 1 What is the fourth state of matter? Which of the states of matter has fixed volume? Which of.

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Presentation transcript:

States of Matter

Video on States of Matter

Questions 1 What is the fourth state of matter? Which of the states of matter has fixed volume? Which of the states of matter has no structure? Which is most abundant? What does the word gas mean? Why is it fitting to call it gas?

Questions 2 What benefits are derived from understanding the fourth state of matter? What are the many forms of solid water? What are the different guises of gaseous water? How does liquid water become gas? What term is used to describe gaseous water turning into liquid?

Questions 1 What is the fourth state of matter? Which of the states of matter has fixed volume? Which of the states of matter has no structure? Which is most abundant? What does the word gas mean? Why is it fitting to call it gas?

Questions 2 What benefits are derived from understanding the fourth state of matter? What are the many forms of solid water? What are the different guises of gaseous water? How does liquid water become gas? What term is used to describe gaseous water turning into liquid?

Phases of Matter molecular structure of a solid molecular structure of a liquid molecular structure of a gas

Shape

Volume & Compressibility

Surface

Distances between molecules

Which is most likely oxygen gas? ABC

Which is most likely liquid water? ABC

Motion of molecules

Forces between molecules

With heat

Summary of the Kinetic Molecular Theory All matter (solid, liquid, and gas) is made up of tiny particles called atoms, or atoms that are joined to form molecules. These particles are in constant motion. Molecular motion is random.

Summary of the Kinetic Molecular Theory Particles in motion possess kinetic energy. Their motion increase as they gain energy. There is an exchange (transfer) of energy between particles (atoms and molecules) during a collision between them.

Summary of the Kinetic Molecular Theory Particles (molecules) in gases do not exert large forces on each other, unless they are in collision with each other. Collisions between these particles are perfectly elastic.

Summary of the Kinetic Molecular Theory The average kinetic energy of the particles depends only on the temperature of the system.