Inner planets

Front

What are the inner planets in our solar system?

Back

Mercury, Venus, Earth, Mars.

Front

Which inner planet is the largest?

Back

Earth.

Tags

NGSS.MS-ESS1-3

Front

Which inner planet is the smallest?

Back

Mercury.

Tags

NGSS.MS-ESS1-3

Front

How long ago was Earth formed?

Back

Approximately 4.5 billion years ago.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Front

Which inner planet rotates in the opposite direction to most planets?

Back

Venus.

Front

What is the average distance from the Sun to Mercury?

Back

About 57.91 million kilometers (36 million miles).

Tags

NGSS.MS-ESS1-3

Front

What is the surface temperature range of Venus?

Back

About 462 degrees Celsius (864 degrees Fahrenheit) on average.

Tags

NGSS.MS-PS1-4

Front

What is unique about the atmosphere of Mars?

Back

It has a thin atmosphere composed mostly of carbon dioxide.

Front

What is the primary component of Mercury's surface?

Back

Rocky terrain with a large iron core.

Front

How does the rotation period of Venus compare to its revolution period?

Back

Venus has a longer rotation period (about 243 Earth days) than its revolution period (about 225 Earth days).