OUR PLANET 5

OUR PLANET


THE SPHERES OF THE EARTH


We can find ____________________ different spheres of the Earth :
GEOSPHERE all the ____________________ on Earth
____________________ all the gases that surround the Earth
HYDROSPHERE all the ____________________ on Earth
BIOSPHERE all the ____________________ ____________________ on Earth

PHYSICAL PHENOMENA


The geophysics studies the ____________________ ____________________ of the Earth's geosphere : the surface and its ____________________ . Some of the physical phenomena studied by this science include : ____________________ , gravity , seismology , etc .


The Earth's magnetism refers to the ____________________ ____________________ that surrounds the Earth . This field around Earth protects ____________________ particles in space .
Gravity is the ____________________ by which a planet or other body draws ____________________ toward its centre .
Earthquakes or volcanoes are examples of seismic activity .
An earthquake is a ____________________ from the ____________________ caused by movements within the earth's ____________________ .
A volcano is an ____________________ in the ____________________ through which molten rock , ____________________ ____________________ , and other materials erupt .

THE CLIMATE AND THE PLANET


There are ____________________ main climate zones :


? ____________________ zones : They are the ____________________ from the Equator and the tops of high mountains . Temperatures are very ____________________ throughout the year .
? ____________________ zones : Located ____________________ the polar circles and the two tropics , ____________________ and ____________________ . Temperatures vary from zero to ____________________ degrees on average .
____________________ zone : It is included ____________________ the two tropics . Here the temperatures are ____________________ and almost ____________________ throughout the year .

ECOSYSTEMS


An ecosystem is made up of all of the ____________________ ____________________ ( plants , animals . . . ) and ____________________ ____________________ ( water , rocks , soil , and sand ) in an area . The main ecosystems are :


____________________ : it rains very little , with hot days and intense ____________________ .
Grassland : is an area where the vegetation is dominated by ____________________ and other ____________________ ____________________ .
Rain forest : very high ____________________ , high ____________________ and high levels of ____________________ .
Deciduous ____________________ : is characterized by ____________________ that lose their ____________________ at the end of each ____________________ season .
Taiga : also called ____________________ ____________________ , is composed primarily of ____________________ .
Tundra : a ____________________ plain of the arctic regions having a permanently ____________________ subsoil .

RELIEF OF SPAIN


Mountain ranges are set of aligned ____________________ .
Inner Plateau is an elevated ____________________ .

In Central Spain is the Inner Plateau which is divided into the ____________________ ____________________ , we also find the ____________________ ____________________ .

In the North are the ____________________ ____________________ , Leon Mountains , Cantrabian Mountain Range , Pyrenees and Catalan Coastal Mountain Chain . In the South are ____________________ ____________________ and Baetic Range .

River basins ____________________ and low lands crossed by a river .
We also have two basins , one in the ____________________ , Ebro River Basin and one in the South , ____________________ ____________________ .

The highest mountain in the peninsula is ____________________ which is 3478 metres high and the highest mountain in Spain , which is a volcano , is ____________________ ( ____________________ ) 3718 metres high .

RIVERS OF SPAIN
Atlantic ____________________ :
includes all the rivers that flow in the Atlantic Ocean .
Lots of ____________________ .
____________________ flow .
Low flow in the South .
____________________ , Duero , ____________________ , Guadiana and ____________________ .

Cantabrian watershed
includes all the that flow in Cantabrian Sea ,
____________________ rivers .
Abundant flow .
____________________ , Navia and ____________________ .

Mediterranean ____________________
includes all the rivers that flow in the ____________________ Sea .
Short ( not ____________________ river ) .
Little water .
____________________ flow .
____________________ , ____________________ and ____________________ .