States of Matter and Changes Flashcard

Front

Which state of matter has a definite shape?

Back

Solid

Front

What is the process called when a gas changes directly into a solid?

Back

Deposition

Front

This is how much matter is in an object or substance.

Back

Mass

Front

Thermal energy is...

Back

Heat energy.

Front

What is a chemical change?

Back

A chemical change is a process that results in the formation of new substances with different properties from the original substances.

Front

What is the state of matter that has a definite volume but no definite shape?

Back

Liquid

Front

What is the process called when a solid changes directly into a gas?

Back

Sublimation

Front

What is the term for the amount of space an object occupies?

Back

Volume

Front

What happens to the particles in a substance when it is heated?

Back

They gain energy and move faster.

Front

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

Back

Evaporation