Earth Moon Sun System Pre-Test

Front

What happens when the North Pole is tilted toward the Sun?

Back

Riverside will experience hot weather, direct sun rays, and long days.

Front

Why are days 24 hours long?

Back

Because that is how long it takes the Earth to spin once on its axis.

Front

What does it mean when the Moon appears to be getting smaller every night?

Back

The Moon is waning.

Front

What is Earth's axis?

Back

An imaginary line from the North Pole to the South Pole.

Front

Why are years about 365 days long?

Back

Because that is how long it takes for the Earth to go around the Sun.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, while a lunar eclipse occurs when the Earth is between the Sun and the Moon.

Front

What causes the seasons on Earth?

Back

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

Front

What is the significance of the equator?

Back

The equator is an imaginary line that divides the Earth into the Northern and Southern Hemispheres.

Front

What is a full moon?

Back

A full moon occurs when the entire face of the Moon is illuminated by the Sun.