Unit 1 (7.9 A, B) Earth and Space Test Review

Front

What is the habitable zone?

Back

The habitable zone is the region around a star where conditions may be suitable for life, particularly where liquid water can exist on a planet's surface.

Front

Does being in the habitable zone guarantee that a planet has life?

Back

No, being in the habitable zone does not guarantee that a planet has life.

Front

What happens to water on a planet if it is too hot?

Back

If a planet is too hot, the water will boil away.

Front

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

Back

A key requirement for life as we know it is the presence of liquid water.

Front

What protects astronauts from micrometeoroids?

Back

The tough outer shell of an astronaut's spacesuit protects them from micrometeoroids.

Front

What role does the Earth's atmosphere play in protecting the planet?

Back

The Earth's atmosphere helps protect the planet from harmful radiation.

Front

What is the significance of liquid water in the search for extraterrestrial life?

Back

Liquid water is essential for life as we know it, making it a key factor in the search for extraterrestrial life.

Front

What are micrometeoroids?

Back

Micrometeoroids are tiny bits of space debris that travel at high speeds.

Front

How does temperature affect the state of water on a planet?

Back

Temperature affects the state of water; if it is too hot, water can boil away, and if it is too cold, it can freeze.

Front

What is the function of a spacesuit's outer shell?

Back

The outer shell of a spacesuit provides protection against micrometeoroids and other hazards in space.