Earth, Moon, and Sun Vocabulary

Front

Earth

Back

planet that is the third in order from the sun. It is one of the four inner or terrestrial 

           planets of the solar system.

Front

Illuminate

Back

to shine light on an object and make it visible.

Front

Moon

Back

a rocky sphere that travels around a planet

Front

The Sun

Back

the star that is the main source of light at the center of our solar system.

Front

Moon Phase

Back

the shape of the illuminated part of the Moon as it appears from Earth.

Front

Orbit

Back

the nearly circular path a smaller object (like the Moon) travels around a larger object
(like Earth)

Front

Eclipse

Back

when the Moon is completely dark or the moon blocks the sun from being seen.

Front

Pattern

Back

something we observe to be similar over and over again.

Front

Terminator

Back

the border between light and dark on the Moon.

Front

Solar System

Back

the sun, the planets that orbit the sun, and other objects that orbit the sun.