Habitable Earth

Front

What is the primary reason astronauts use radios in space?

Back

There is no air in space, so sound cannot travel. Radios allow astronauts to communicate directly.

Tags

NGSS.MS-PS4-3

Front

What characteristic of Earth is crucial for supporting life?

Back

Proximity to the Sun, which provides the necessary heat and light for life.

Tags

NGSS.MS-ESS1-1

Front

What protects astronauts from micrometeoroids in space?

Back

A tough outer shell on their spacesuits protects them from tiny bits of space debris.

Front

What is essential for life as we know it to exist on a planet?

Back

Liquid water is essential for life.

Tags

NGSS.MS-ESS2-4

Front

Which function of the atmosphere is NOT essential for life on Earth?

Back

Maintaining a constant temperature is not a direct function of the atmosphere for supporting life.

Front

Why is liquid water important for life?

Back

Liquid water is a solvent that facilitates chemical reactions necessary for life.

Front

What role does the atmosphere play in protecting life on Earth?

Back

The atmosphere offers protection from harmful radiation from the sun.

Front

How does the atmosphere contribute to the nutrient cycle?

Back

The atmosphere helps release nutrients into the soil from decaying animals.

Tags

NGSS.MS-LS2-3

Front

What is the significance of Earth's position in the solar system?

Back

Earth's position allows it to receive adequate sunlight, which is vital for photosynthesis and climate regulation.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

Front

What is a habitable zone?

Back

A habitable zone is the region around a star where conditions may be right for liquid water to exist on a planet's surface.

Tags

NGSS.MS-ESS2-4