Characteristics to Support Life on Earth

Front

What is one discovery about Mars that suggests it may have once supported life?

Back

Small amounts of water in the soil.

Front

What characteristic of Earth is essential for the survival of living organisms?

Back

Earth has abundant available water.

Front

Why is the layer of ozone in the upper atmosphere important to life on Earth?

Back

It shields Earth from ultraviolet radiation.

Front

Which planet in our solar system represents Earth?

Back

Planet H.

Front

What would happen if Earth was 200 million km from the Sun?

Back

The temperature would be too cold to support life.

Front

What is the significance of water for life on Earth?

Back

Water is essential for all living organisms as it is involved in biochemical reactions.

Front

How does the distance from the Sun affect a planet's ability to support life?

Back

If a planet is too far from the Sun, it may be too cold to support life.

Front

What role does the Sun play in supporting life on Earth?

Back

The Sun provides energy necessary for photosynthesis and regulates temperature.

Front

What is ultraviolet radiation?

Back

Ultraviolet radiation is a type of energy produced by the Sun that can be harmful to living organisms.

Front

Why is Earth's atmosphere important for life?

Back

It provides oxygen for breathing and protects from harmful solar radiation.