Unit 4 Lesson 1

Front

How long does it take Earth to move around the Sun?

Back

One year.

Front

Which planet is closer to the Sun than Mars and is usually hotter?

Back

Venus.

Front

What does it mean for Earth to rotate?

Back

It means to spin around one full turn.

Front

Which inner planet has 2 moons?

Back

Mars.

Front

What is one pattern caused by the motion of the Earth?

Back

Day and night.

Front

What is the name of the star at the center of our solar system?

Back

The Sun.

Front

What are the four inner planets?

Back

Mercury, Venus, Earth, and Mars.

Front

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

Back

Orbit.

Front

How long does it take for Earth to complete one rotation?

Back

One day.

Front

What causes the change in seasons on Earth?

Back

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