Do Tornados Really Sound Like Freight Trains?
What do you think after listening to the Xenia Tornado of April 3, 1974?
Winds can exceed 300 mph!
Around 1,000 occur on average eac
An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of
energy in the Earth's crust that creates seismic waves.
The seismicity, seismism or seismic activity of an area refers to the frequency, type and size
The Geography of Africa
A Satellite View
Second largest continent 11,700,000 sq. mi.
% of the orlds population.
2 times the size of the U. S.
The Mighty Nile River:
Longest Ri er in the World
The Congo River Basin
Covers 12% of the
What is a map?
It is a represe tatio of so ethi g (Earth, stars, solar syste , a uildi g, et
Uses of Maps
To determine where you are going.
To a t as a
odel of Earths surfa e.
Used to locate various places
To show the distribution of various feature
What is weather?
Refers to the state of the atmosphere at a
specific time and place.
The one thing that you can talk to anybody
If you do t like the weather just wait arou d
it will change in Texas
What are some of the factors that affect th
Salt Marshes and Mangroves
Factors Driving Coastal Ecosystems
Degree of riverine input
alluvial sediments and deposition
What are rocks?
A rock is a naturally occurring solid mixture of one or more minerals.
Rocks are classified by how they are formed, their composition, and texture
Rocks change over time through the rock cycle
TYPES OF ROCKS
ROCKS ARE DIVIDED INTO T
Water, ater e ery here
But only on the Earth!
O er 70% of the Earths surfa e is o ered y ater
Of that, 95% is salt water only 5% is fresh water and part of that is ice
All the oceans are really just one body of water
are naturally-occurring inorganic substances with a definite and predictable chemical composition and
Classification of Minerals
Ferrous Iron Ore, Manganese, N
Introduction to hurricanes
Hurrica es are the pla ets
They are known as cyclones in Australia and typhoons in southeast Asia.
They bring massive waves and wind speeds that can gust up to 186 mph.
Hurricanes are not the normal storms created when cold and