Unit 3 Vocabulary Flashcards (McGrawHill 6th Grade)

Front

random motion

Back

Movement in all directions and at different speeds.

Front

diffusion

Back

The movement of substances from an area of higher concentration to an area of lower concentration.

Front

kinetic energy

Back

Energy due to motion.

Front

thermodynamics

Back

The study of heat.

Front

thermal expansion

Back

An increase in a material’s volume when the temperature is increased.

Front

thermal contraction

Back

A decrease in a material’s volume when the temperature is decreased.

Front

temperature

Back

The measure of the average kinetic energy of the particles in a material.

Front

condensation

Back

The process by which a gas changes to a liquid.

Front

vaporization

Back

The change in state from a liquid to a gas.

Front

potential energy

Back

Stored energy due to the interactions between objects or particles.