Earth and Sun Investigation 4

Front

What are solid molecules like?

Back

Solid molecules do not move and are squished together.

Front

What does convection mean?

Back

Convection means objects heat up through liquid or gas.

Front

What are air molecules like?

Back

Air molecules are fast moving and far apart.

Front

What happens to molecules when they heat up?

Back

When molecules heat up, they speed up.

Front

Which line represents soil?

Back

Line X represents soil.

Front

What is the state of matter where molecules are close together and do not move?

Back

Solid.

Front

What is the process called when heat is transferred through direct contact?

Back

Conduction.

Front

What is the process called when heat is transferred through waves or rays?

Back

Radiation.

Front

What happens to the space between molecules when they are heated?

Back

The space between molecules increases.

Front

What is the term for the movement of heat through fluids?

Back

Convection.