U6 Day 6 Warm up - States of Matter, Phase Changes, & Htg Curves

Front

What is matter?

Back

Everything that has mass and takes up space.

Front

What is sublimation?

Back

The phase change when a solid changes directly to a gas without becoming a liquid.

Front

What is an exothermic process?

Back

A process that releases heat to the surroundings.

Front

What is an endothermic process?

Back

A process that absorbs heat from the surroundings.

Front

In which region of a heating curve does a substance exist as both a liquid and a gas?

Back

Region 4.

Front

What happens to water when it boils?

Back

It undergoes vaporization and forms steam.

Front

What is condensation?

Back

The phase change from gas to liquid.

Front

What is melting?

Back

The phase change from solid to liquid.

Front

What is freezing?

Back

The phase change from liquid to solid.

Front

What is the boiling point of water at standard atmospheric pressure?

Back

100 degrees Celsius.