Review Earth, Moon, Sun, and Universe

Front

What is the reason each Earth day is 24 hours long?

Back

It takes Earth 24 hours to rotate once on its axis.

Front

In which galaxy is Earth located?

Back

Milky Way

Front

How is our sun classified compared to other stars?

Back

Medium size with medium temperature.

Front

What season occurs in the Northern Hemisphere during Position 2?

Back

Spring

Front

What type of galaxy has a nucleus of bright stars and two or more arms in circular formation?

Back

Spiral galaxy.

Front

What is the primary reason for the seasons on Earth?

Back

The tilt of Earth's axis as it orbits the Sun.

Front

What is the average distance from the Earth to the Sun?

Back

Approximately 93 million miles (150 million kilometers).

Front

What is the term for the path that the Earth takes around the Sun?

Back

Orbit.

Front

What is the main component of the universe that contains stars, planets, and galaxies?

Back

Matter.

Front

What is the term for the gravitational pull that the Earth exerts on objects?

Back

Gravity.