States of matter and thermal energy

Front

Thermal energy is also known as ___________ energy

Back

heat

Front

Temperature is a measure of a substance's average ___________

Back

kinetic energy

Front

At higher temperatures, particles in an object ___________

Back

move faster

Front

When the temperature of matter decreases, the particles ___________

Back

slow down and move closer together

Front

Thermal energy always moves from ___________

Back

Hot to cold

Front

What are the three states of matter?

Back

Solid, Liquid, Gas

Front

In which state of matter do particles have the least kinetic energy?

Back

Solid

Front

What happens to the particles in a gas when it is cooled?

Back

They slow down and come closer together.

Front

What is the process called when a solid turns into a liquid?

Back

Melting

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation