Earth's Systems

The Earth's Systems

How can we divide the Earth into parts?

Earth

​

• Earth is the planet we live on.

• Earth is shaped like a ball. In Science, we say "Sphere."

• So far, Earth is the only planet that we know about that has living things. ​

Multiple Choice

What planet do we live on?

• Earth

• The Moon

• The Sun

• The Solar System

Multiple Choice

Earth is shaped like a ball.

What is our Science word for the shape of Earth?

• Cylinder

• Cube

• Sphere

• Cone

Multiple Choice

A sphere is shaped like a ____.

• Rectangle

• Ball

• Triangle

• Cube

Multiple Choice

How many planets do we know have living things?

• All planets

• No planets

• Only Earth

Multiple Choice

Earth is a unique planet because ____.

• It is a sphere.

• It has living things.

• It travels around the Sun.

Earth is a System

• ​Earth is a system, with many parts working together to do a job.

• The function of Earth is to keep living things alive.

• ​To understand the Earth, we divide it into 4 smaller systems that are easier to study.

  • Geosphere

  • Biosphere

  • Hydrosphere

  • Atmosphere​

Multiple Choice

Earth is a group of parts that work together to do a job.

So, Earth is a ____.

• Input

• Output

• Function

• System

Multiple Choice

Earth's job is to keep living things alive.

Keeping living things alive is Earth's ____.

• Input

• Output

• Function

• System

Multiple Choice

What is Earth's function?

• To spin on its axis

• To travel around the Sun

• To keep living things alive

Multiple Choice

To make it easier to study the Earth, scientists divide Earth into 4 smaller systems.

Those systems are:

• Geosphere

  Biosphere

  Hydrosphere

  Atmosphere

• Rain

  Snow

  Sleet

  Hail

• Revolve

  Rotate

  Axis

  Pole

• Food

  Water

  Shelter

  Air

The Geosphere

• "Geo" means ground or rock.

• ​The geosphere is made of all the rocks on Earth.

• This includes the la​yers of the Earth, like the Crust, Mantle, Outer Core, and Inner Core.

• This also includes landforms like mountains and volcanoes. ​

Multiple Choice

Geo

• Water

• Rock

• Air

• Living

Multiple Choice

This "sphere" has Earth's rocks

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Multiple Choice

Mountains are made of rocks. Mountains are part of Earth's ___.

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Open Ended

"One example of a part of the geosphere is a ____."

The Biosphere

• "Bio" means living.

• ​The biosphere is made of all the living things on Earth.

• This includes plants, like trees, flowers, and grass.

• This also includes animals like monkeys, humans, and zebras.

• It also includes life that is too small to see like bacteria and other single-celled organisms. ​

Multiple Choice

Bio

• Water

• Rock

• Air

• Living

Multiple Choice

This "sphere" has Earth's living things

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Multiple Choice

Humans are living things. Humans are part of Earth's ___.

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Open Ended

"One example of a part of the biosphere is a ____."

The Hydrosphere

• "Hydro" means water.

• ​The hydrosphere is made of all the water on Earth.

• This includes freshwater like rivers, lakes, and ponds.

• This also includes saltwater like oceans.

• It even includes frozen water like glaciers and gas water like water vapor.

Multiple Choice

Hydro

• Water

• Rock

• Air

• Living

Multiple Choice

This "sphere" has Earth's water

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Multiple Choice

The oceans are made of water. The oceans are part of Earth's _____.

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Open Ended

"One example of a part of the hydrosphere is a ____."

The Atmosphere

• "Atmo" means air.

• ​The atmosphere is made of all the air on Earth.

• This includes Oxygen, which is the gas animals breathe in.

• This also includes Carbon Dioxide, which is the gas animals breathe out.

• It ​also includes all the other gases in the air like Nitrogen, Neon, and Argon.

Multiple Choice

Atmo

• Water

• Rock

• Air

• Living

Multiple Choice

This "sphere" has Earth's air

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Multiple Choice

Oxygen is the air we breathe. Oxygen is part of earth's _____.

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

Open Ended

"One example of a part of the atmosphere is a ____."

Match

Match the sphere to its definition.

• Atmo

• Bio

• Geo

• Hydro

Air

Life

Rock

Water

• Air

• Life

• Rock

• Water

Match

Match the sphere to an example.

• Atmo

• Bio

• Geo

• Hydro

Oxygen

People

Mountains

Rivers

• Oxygen

• People

• Mountains

• Rivers