Earth & Mars

Front

What process is responsible for most of the oxygen in Earth's atmosphere?

Back

Plant life respiration (photosynthesis).

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the composition of the surface of Mars?

Back

Solid rock.

Front

Why did Earth cool more slowly than Mars after their formation?

Back

Earth is twice as large as Mars.

Tags

NGSS.MS-PS1-4

Front

What does the presence of methane on Mars potentially indicate?

Back

Possible life on Mars.

Tags

NGSS.MS-LS4-4

Front

What gas makes up most of the Martian atmosphere?

Back

Carbon dioxide (CO2).

Front

What is the primary source of oxygen on Earth?

Back

Photosynthesis by plants.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

How does the size of Earth compare to Mars?

Back

Earth is twice as large as Mars.

Tags

NGSS.MS-ESS1-3

Front

What is the significance of methane in the context of Mars?

Back

It may indicate the presence of life.

Tags

NGSS.HS-LS4-1

Front

What is the main component of Mars' atmosphere?

Back

Carbon dioxide (CO2).

Front

What geological feature is common to both Earth and Mars?

Back

Solid rock surfaces.