Unit 2 Study Guide

Total energy of all the particles in a system

• Temperature

• Thermal Energy

• Kinetic Energy

• Heat

Anything that has mass and takes up space

• Heat

• Volume

• Matter

• Objects

Average kinetic energy of the particles in a system

• Temperature

• Heat

• Thermal Energy

• Movement

The transfer of energy through particles that are in direct contact

• Radiation

• Atoms

• Convection

• Conduction

Energy transferred between two objects of different temperatures

• Heat

• Flow

• Radiation

• Atoms

Transfer of heat by movement of fluid (gas or liquid)

• Conduction

• Convection

• Radiation

• Heat

The transfer of energy through waves or rays

• Conduction

• Radiation

• Convection

• Heat

When two objects/substances transferred heat and have reached the same temperature

• Conduction

• Equal

• Temperature

• Thermal Equilibrium

Chemical reaction which releases energy

• Endothermic reaction

• Conduction

• Exothermic reaction

• Radiation

Chemical reaction which absorbs energy

• Endothermic reaction

• Temperature

• Exothermic reaction

• Thermal Equilibrium