Do Now_12/17: Please Study Before the Test!

Front

What is the Oort Cloud?

Back

A spherical shell of icy objects surrounding our solar system.

Front

What keeps the Earth in its orbit around the Sun?

Back

The gravitational attraction between the Sun and the Earth.

Front

Why is Earth able to support life?

Back

It has the presence of water and it's the perfect distance from the sun.

Front

Which planet is affected the most by the gravitational pull of its star?

Back

Planet 1.

Front

What does the Greenhouse Effect refer to?

Back

The process by which certain gases trap heat in the Earth's atmosphere.

Front

What is the main component of the Ozone Layer?

Back

Ozone (O3) molecules.

Front

What role does water play in supporting life on Earth?

Back

Water is essential for all known forms of life and helps regulate temperature.

Front

What is gravitational attraction?

Back

The force that pulls two objects toward each other, depending on their masses and distance.

Front

What is the significance of the distance from the Sun for Earth?

Back

It allows for a suitable temperature range for liquid water to exist.

Front

What is the primary source of energy for Earth?

Back

The Sun.