States of Matter and Phase Changes

Front

What does temperature measure in relation to particles?

Back

Temperature reflects the speed of particles.

Front

What is the phase change called when a liquid turns into a gas?

Back

Vaporizing.

Front

What state of matter results from decreasing temperature starting from a liquid?

Back

Solid.

Front

In which state of matter are particles packed closest together?

Back

Solid.

Front

What describes a vacuum?

Back

There are no particles to collide with the container.

Front

What is the state of matter with a definite shape and volume?

Back

Solid.

Front

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

Back

Liquid.

Front

What is the state of matter that has neither a definite shape nor a definite volume?

Back

Gas.

Front

What happens to particles during the process of melting?

Back

Particles gain energy and move apart.

Front

What is condensation?

Back

The phase change from gas to liquid.