7th Grade Science: Unit 05 Flashcards

Front

What is the term for the transfer of thermal energy between objects in direct contact with each other?

Back

conduction

Front

What is the term for the transfer of thermal energy through currents in liquids and gases?

Back

convection

Front

What is the term for the transfer of thermal energy from a light source (e.g., sun, fire, light bulb, and burner) to an object or a substance?

Back

radiation

Front

Energy resulting from the motion of particles measured as the temperature of substances.

Back

thermal energy

Front

What is the term for when two substances in the same system exchange no thermal energy and are at the same temperature?

Back

thermal equilibrium

Front

What is the term for when energy is taken from one place to another (e.g., in a food web, energy is transferred from producer to consumer)?

Back

energy transfer

Front

What is the term for energy due to movement?

Back

kinetic energy

Front

Term for matter with consistent composition that can propagate a wave (solid, liquid, and gas)?

Back

medium

Front

Simplest unit of a chemical compound that can exist; formed when two or more atoms combine chemically.

Back

molecule

Front

What is the term that refers to an object or group of objects being studied, including all the forces acting on them?

Back

system