Heat Transfer

Front

What happens to the density of a material as its temperature increases?

Back

The material becomes less dense.

Front

What is the term for the movement of energy from a warmer object to a cooler object?

Back

Heat transfer.

Front

In a convection current, what happens to the mantle material as it heats up?

Back

The molecules move faster, becoming less dense.

Front

Which object is less dense if object A floats on object B?

Back

Object A is less dense.

Front

What happens to the temperature of rock material as you move away from the Earth's core?

Back

The temperature decreases.

Front

Define heat transfer.

Back

The process of energy moving from a warmer object to a cooler object.

Front

What is convection?

Back

A method of heat transfer where warmer, less dense material rises and cooler, denser material sinks.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is radiation?

Back

The transfer of heat in the form of electromagnetic waves, such as sunlight.

Front

How does temperature affect molecular movement?

Back

As temperature increases, molecules move faster.