Earth Systems & Spheres

Front

What is an open system?

Back

An open system is a system that allows both matter and energy to move freely in and out.

Front

What does 'geo' in geosphere refer to?

Back

'Geo' means rock or earth.

Front

What is a positive feedback loop?

Back

A positive feedback loop is a process that amplifies or increases change in a system.

Front

What does it mean for water to be polar?

Back

It means that water is a molecule with opposite charges on opposite ends.

Front

In a closed system, what can enter or leave?

Back

Only energy can enter or leave a closed system.

Front

What is the hydrosphere?

Back

The hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, and water vapor.

Front

Define the atmosphere.

Back

The atmosphere is the layer of gases surrounding Earth, essential for weather and climate.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

Front

What is a feedback loop?

Back

A feedback loop is a system where the output may influence the input, creating a cycle.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.