Planets in our solar system flashcard

Front

Which inner planet is the hottest?

Back

Venus is the hottest inner planet in our solar system.

Front

What are the two inner planets known as 'sister planets'?

Back

Venus and Earth are known as 'sister planets' because they are similar in size and composition.

Front

Earth is the ___________ planet from the Sun.

Back

Earth is the third planet from the Sun.

Front

What is it called when the planets travel around the Sun?

Back

The movement of planets around the Sun is called an orbit.

Front

What type of planets are all the inner planets?

Back

All the inner planets are terrestrial planets because they are rocky.

Front

Name the four inner planets of our solar system.

Back

The four inner planets are Mercury, Venus, Earth, and Mars.

Front

What is the closest planet to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

Which planet is known as the 'Red Planet'?

Back

Mars is known as the 'Red Planet' due to its reddish appearance.

Front

What is the main difference between inner and outer planets?

Back

Inner planets are rocky, while outer planets are gas giants.

Front

Which planet has the hottest surface temperature?

Back

Venus has the hottest surface temperature of all the planets.