Front

What is the path of an object in space around another object called?

Back

Orbit.

Front

True or False: The moon is always half lit by the sun.

Back

True.

Front

What is a huge collection of stars, gases, and dust that is classified by shape?

Back

Galaxy.

Front

What is the imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth's rotation?

Back

Axis.

Front

What is an event that occurs when one object in space passes through the shadow of another object in space?

Back

Eclipse.

Front

What are the two types of eclipses that can occur involving the Earth, Moon, and Sun?

Back

Solar and Lunar eclipses.

Front

What is the term for the regular rise and fall of sea levels caused by the gravitational forces of the Moon and Sun?

Back

Tides.

Front

What phase of the Moon occurs when it is completely illuminated by the Sun?

Back

Full Moon.

Front

What phase of the Moon occurs when it is not visible from Earth?

Back

New Moon.

Front

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

Back

Lunar month (approximately 29.5 days).