States of Matter

Front

What are helium, hydrogen, and oxygen examples of?

Back

Gases

Front

What characterizes a solid?

Back

A solid has very tightly packed molecules.

Front

What state of matter has no definite size or shape?

Back

Gas

Front

What are particles of matter always doing?

Back

Moving

Front

What is true about a gas?

Back

A gas is usually invisible.

Front

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

Back

Liquid

Front

How do the molecules in a liquid behave?

Back

They are close together but can slide past each other.

Front

What happens to the particles in a solid when heated?

Back

They vibrate faster and may change to a liquid.

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