Inner Planets flashcard

Front

Which planet is closest to the Sun?

Back

Mercury

Front

Why is Venus hotter than Mercury, even though Mercury is closer to the Sun?

Back

Because Mercury has almost no atmosphere and Venus does.

Front

Which planet is known as the 'Red Planet'?

Back

Mars

Front

What is another name for the Inner Planets?

Back

The Rocky Planets or The Terrestrial Planets.

Front

What is the smallest of the Inner Planets?

Back

Mercury.

Front

What are the four Inner Planets?

Back

Mercury, Venus, Earth, and Mars.

Front

What is the main reason Venus is hotter than Mercury?

Back

Venus has a thick atmosphere that traps heat.

Front

Which planet has the longest day?

Back

Venus.

Front

What is the surface of Mars primarily made of?

Back

Iron oxide, which gives it a reddish color.

Front

What is unique about Mercury's temperature?

Back

It has extreme temperature changes between day and night.