Knowledge Check: Matter and Energy

Front

What is required for matter to change from one state to another?

Back

Energy is required for matter to change from one state to another.

Front

Which state of matter has a definite shape and a definite volume?

Back

Solid has a definite shape and a definite volume.

Front

What causes the particles of a substance to move slower and closer together?

Back

A decrease in thermal energy causes the particles to move slower and closer together.

Front

Which state of matter has a definite volume and takes the shape of its container?

Back

Liquid has a definite volume and takes the shape of its container.

Front

Which state of matter does not have a definite shape or volume, but fills the entire space of its container?

Back

Gas does not have a definite shape or volume, but fills the entire space of its container.

Front

What is the process called when a solid turns into a liquid?

Back

Melting is the process when a solid turns into a liquid.

Front

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

Back

Evaporation is the process when a liquid turns into a gas.

Front

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

Back

Condensation is the process when a gas turns into a liquid.

Front

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

Back

Volume is the term for the amount of space an object occupies.

Front

What is the term for the amount of matter in an object?

Back

Mass is the term for the amount of matter in an object.