ch 2 Earth as a System

Front

What is the Earth considered in terms of systems?

Back

Closed system

Front

What is a system called where both energy and matter are exchanged with the surroundings?

Back

Open system

Front

Which gas has been closely associated with global temperatures for thousands of years?

Back

Carbon dioxide

Front

What does the geosphere consist of?

Back

All of Earth's rock

Front

What is the primary source of energy that drives processes above ground on Earth?

Back

The Sun

Front

Define 'closed system' in the context of Earth.

Back

A closed system is one where only energy can enter or leave, but matter cannot.

Front

What is the role of the Sun in Earth's systems?

Back

The Sun provides energy that drives weather, climate, and photosynthesis.

Front

What are the four main components of the Earth system?

Back

Geosphere, hydrosphere, atmosphere, and biosphere.

Front

What is the hydrosphere?

Back

The hydrosphere includes all of Earth's water in liquid, solid, and vapor forms.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth.