Earth’s atmosphere is divided into layers based on *

Most electromagnetic waves are absorbed before reaching the surface.

Without the ozone layer, too much ____________ radiation would reach Earth's surface.

The sky appears blue because gas molecules scatter ____________ wavelengths of visible light.

What percentage of radiation is absorbed by the Earth's surface?

What gases "enhance" the greenhouse effect?

What would happen if some heat didn't escape into space?

The faster the particles move, the __________ energy they have.

How are temperature and thermal energy different?

Particles in solids do not move.

Which has more thermal energy: a 1-kilogram block of ice or a 1-kilogram volume of water vapor?

Heat always flows from a

Heat transfer through empty space.

What is the transfer of heat by the movement of a fluid called?

Which method of heat transfer involves electromagnetic waves?

What is the transfer of heat between two substances in direct contact called?

What is the transfer of heat between two substances in direct contact called?

Which method of heat transfer involves the movement of particles in a fluid?

What type of energy transfer is described by electromagnetic waves?

This is a __________________ current.

Warm air

Cold air