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Essential Question: How are temperature and kinetic energy related? States of Matter Essential Question: How are temperature and kinetic energy related?

What is Matter? Anything that has mass and takes up space.

The Law of Conservation of Mass: Says that the mass of ALL substances present before a chemical change equals mass of ALL substance after the change. MATTER CAN NOT BE CREATED NOR DESTROYED.

What does Kinetic mean? Resulting from motion. Kinetic Energy: Energy that results from motion.

What is Kinetic Theory?: Explains how particles in matter behave. All matter is composed of particles

2. Particles are in constant , random motion.

3. Particles collide with each other and walls of their containers.

What are states of matter? Solid Liquid Gas Plasma

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Solids Characteristics: Definite Shape and Definite Volume. Particles: Closely packed in geometric arrangement.

Liquids Characteristics: Indefinite shape and definite volume. Particles: Have more space and slide past each other.

Gases Characteristics: Indefinite shape and Indefinite volume. Particles: Have energy to spread out evenly in container.

Plasma Characteristic: High temperature gas. Particles: Positively and negatively charge.

Temperature The state of a sample of matter depends on Temperature. Temperature: related to the average kinetic energy of an objects atoms or molecules.

Thermal Expansion: When you buy soccer cleats do you buy your actual size or do you buy a size bigger or half a size bigger? Definition: Increase in the size of a substance when the temperature increases and contracts when cooled. Exception: Water- when cooled it expands.