Unit 2 Review/Study Guide

Front

What type of thermal energy transfer occurs without the need for a medium?

Back

Radiation

Front

What is the process called when heat is transferred through the movement of fluids (liquids or gases)?

Back

Convection

Front

Which materials are known to allow heat to pass through them easily?

Back

Conductors, typically metals.

Front

In heat transfer, from which type of substance does heat flow to which type of substance?

Back

Heat always flows from the hotter substance to the colder substance.

Front

What phenomenon causes warm air to rise in a room?

Back

Convection.

Front

What is the primary method of heat transfer in a vacuum?

Back

Radiation.

Front

What is the term for materials that do not conduct heat well?

Back

Insulators.

Front

What is the role of convection currents in weather patterns?

Back

Convection currents help distribute heat in the atmosphere, influencing weather patterns.

Front

How does the density of warm air compare to that of cold air?

Back

Warm air is less dense than cold air.

Front

What is the significance of thermal conductivity in materials?

Back

Thermal conductivity determines how quickly heat can pass through a material.