Vocabulary Test Earth Moon Sun

Front

What is the shape of the illuminated part of the moon as it appears from Earth?

Back

Moon Phase

Front

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

Back

Sun

Front

What is the term for the border between light and dark on the Moon?

Back

Terminator

Front

What is the almost circular path that a smaller object travels around a larger object?

Back

Orbit

Front

What is a moon phase that looks like less than half a circle from Earth?

Back

Crescent Moon

Front

What do we call the phase of the moon when it is fully illuminated?

Back

Full Moon

Front

What is the term for the event when the Earth comes between the Sun and the Moon, causing the Moon to appear dark?

Back

Lunar Eclipse

Front

What is the term for the gravitational pull that keeps the Moon in orbit around the Earth?

Back

Gravity

Front

What is the name of the phase when the Moon appears more than half illuminated but not fully?

Back

Gibbous Moon

Front

What is the term for the time it takes for the Moon to complete one full orbit around the Earth?

Back

Lunar Month