The Sun’s energy comes to us as these waves which can travel through space.

The transfer of energy by electromagnetic waves through the vacuum of space is

A form of energy with wavelengths longer than red

When the earth’s surface is heated, it radiates some of the energy back into the atmosphere as infrared radiation.

Air temperature is usually measured with a thermometer.

Heat refers to the energy transferred from a colder object to a hotter one.

The direct transfer of heat from one substance to another substance that it is touching is

Earth's surface is heated by the Sun's convection currents.

ROY G BIV is a way to remember _____________________ .

Red has the longest wavelength of visible light

Violet has the longest wavelength of visible light

Water vapor changing to liquid water is an example of

The Sun is the major heat source to change __________ into vapor on Earth.

When water vapor changes into water it is known as

When water changes into vapor it is known as

When water changes into a solid it is known as

When solid water changes into a liquid it is known as

This is rain that freezes on the way to the ground.

This is rain that freezes when it hits the ground.

This is rain that freezes and is blown up into a cloud to get more layers of ice..

These clouds are thin and feathery – like a circus hat feather.

These clouds are layered – like a cake is layered.

These clouds are light and puffy – they bring good weather.

The amount of water in the air

Inside each piece of precipitation there is a tiny ___________ .