SPHERES

By William Garner

Hydrosphere

The part of the earth which is covered with water.

Consists of the oceans, seas, lakes, and rivers. Divided into two categories: fresh water and

salt water. 70% of the Earth’s surface is covered with

water. The water cycle, the journey water takes as it

circulates, is part of the hydrosphere. The water cycle includes evaporation,

condensation, precipitation, and collection.

Hydrosphere

Biosphere

Biosphere is our living world. The one place that all the spheres work

together. The sun is a big factor that affects the

biosphere. Erosion and earthquakes are smaller factors that

affect the biosphere. The biosphere ranges from the bottoms of the

deepest oceans to a few miles into the atmosphere.

Earth is the only planet known to have a biosphere.

Biosphere

Lithosphere

The solid rocky part of the Earth’s crust. Plate tectonics explain how there is

movement in the lithosphere. Earthquakes and volcanoes occur along

these plate boundaries. Volcanism occurs when the magma within

the crust rise through the crust and form volcanoes.

Continental drift is the movement of the Earth’s continents.

Lithosphere is about 100 km thick.

Lithosphere

Atmosphere

Mass of gases that surround the Earth. Divided into four layers: troposphere, stratosphere,

mesosphere, and the thermosphere. Function of the atmosphere is to trap heat from the

sun, to shield the planet from harmful radiation, and to destroy space debris before it hits the earth.

The atmospheric pressure is caused by the weight of the air above it.

The higher you go, the less the air pressure becomes.

Atmospheric pressure is higher at sea-levels and lower at mountains and places of high altitude.

Atmosphere

Sphere Interaction

The water (hydrosphere) evaporates to form a cloud in the atmosphere and it makes rain.

Plants (biosphere) need soil (lithosphere) to grow. The (hydrosphere) rains on the (lithosphere) and gives

the (biosphere) water. The plants (biosphere) take the carbon dioxide of the

atmosphere to live. The (atmosphere) blows air down to the (lithosphere). The (hydrosphere) evaporates the water to the

(atmosphere) and it forms a cloud, the cloud makes rain and it goes to the (lithosphere) and the (biosphere) makes oxygen through it’s leaves.

Sphere Interaction

THE END