4.5 Solar system

Front

Which planet is similar in size and mass to Earth?

Back

Venus is similar in size and mass to Earth.

Front

The Earth rotates on its ____________.

Back

The Earth rotates on its axis.

Front

What four planets are terrestrial planets?

Back

The terrestrial planets are Mercury, Venus, Earth, and Mars.

Front

Planets travel in an oval path around the sun. What is this action called?

Back

This action is called orbit.

Front

Which is the largest planet in our solar system?

Back

Jupiter is the largest planet in our solar system.

Front

What is the center of our solar system?

Back

The center of our solar system is the Sun.

Front

What are the gas giants in our solar system?

Back

The gas giants are Jupiter, Saturn, Uranus, and Neptune.

Front

What is the term for a planet's path around the sun?

Back

The term for a planet's path around the sun is revolution.

Front

What is the main difference between terrestrial and gas giant planets?

Back

Terrestrial planets are rocky, while gas giants are mostly made of gases.

Front

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

Back

It takes Earth about 365 days to complete one orbit around the Sun.