3.9A Sun, Earth, Moon

Front

What does the model of the solar system help students see?

Back

Earth orbiting the Sun and the Moon orbiting Earth.

Front

Which celestial body is made of gases?

Back

The Sun.

Front

What does it mean for the Earth to revolve?

Back

The Earth revolves around the Sun.

Front

What does orbit mean?

Back

Path of revolution around something.

Front

What is a Star?

Back

A sphere of hot gases.

Front

What is the center of our solar system?

Back

The Sun.

Front

How long does it take for the Earth to complete one orbit around the Sun?

Back

About 365 days.

Front

What is the Moon's relationship to the Earth?

Back

The Moon orbits the Earth.

Front

What is the shape of the Earth's orbit around the Sun?

Back

An ellipse.

Front

What causes day and night on Earth?

Back

The rotation of the Earth on its axis.