States of Matter

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

Describe the arrangement of molecules in a solid state of matter.

Back

Molecules are tightly packed together in a fixed position.

Front

What happens to the molecules of a substance when it melts?

Back

The molecules gain energy and move apart from each other.

Front

What is the phase change from liquid to solid called?

Back

Freezing.

Front

How does temperature affect the state of matter?

Back

Increasing temperature can cause a substance to change from solid to liquid to gas.

Front

What is the characteristic of liquids regarding shape and volume?

Back

Liquids have a definite volume but take the shape of their container.

Front

What is the phase change from gas to liquid called?

Back

Condensation.

Front

What is the relationship between temperature and molecular movement?

Back

Higher temperatures result in faster molecular movement.

Front

What is the term for the energy required to change a substance from solid to liquid?

Back

Heat of fusion.

Front

What is the term for the energy required to change a substance from liquid to gas?

Back

Heat of vaporization.