Earth’s Spheres

Introduction

• There are three main “spheres” on earth – Atmosphere– Hydrosphere– Lithosphere

Atmosphere

• __________- is a thin envolope around the earth kept in place by gravity and is made of gas, liquids, and solids

• It reaches from the earth’s surface up until space

• It is the less dense out of the three main spheres

Atmosphere

• The atmosphere is stratified into zones each with it’s own characteristics – Troposphere– Stratosphere– Mesosphere– Thermosphere

Atmosphere

troposphere Startosphere Mesophere Thermosphere

Troposphere

• ____________- is the lowest region of the atmosphere the temprature decreases as the altitude increases

Stratopshere

• Part of the atmosphere that is right above the troposphere

• As the altitude goes up so does the temperature – This is due to the

ozone

Mesosphere

• Is above the stratosphere

• As the altitude goes the temperature decreases

Thermosphere

• Outermost part of the atmosphere

• At the altitude goes up so does the temperature

Hydrosphere

• Is the second sphere of the earth – It covers ¾ of the

earth’s surface – This includes all

bodies of water – HYDRO – water

Lithosphere

• Most solid part of the earth is the rock near the earth’s surface and is continues solid shell

• It is even under the hydrosphere

• It accounts for mountains faults etc.. Even under the ocean

Introduction