EXPOSICION OF SCIENCE

EXPOSICION OF SCIENCE AINARA, DAVID AND PABLO

ROTATION OF THE EARTHThe earth rotates about an imaginary line that passes through the North and South Poles of the planet. This line is called the axisday.

TRANSLATION OF THE EARTHThe Earth turn around the Sun.The sun is also moving in the space and the earth traces a path with very clear speed cycles according to the earth's distance to the sun.

THE EARTHS LAYERSPlanet Earth has got three main layers: the core, the mantle and the crust.Core: The core is the centre of Earth. Is covered by the mantleCrust: The crust is the surface of the Earth.

SPHERES OF THE EARTHGeosphere: Geosphere has three layers: the core, the crust and th mantle.Atmosphere: Is the air. Contened three gases: Nitrogen, Oxygen and Canbon dioxide.Hydrosphere: Is all the water on, under and above the Earth. Biosphere: Is all the living things which inhabit the Earth.

THE SEASONSThe Earth has four seasons: summer, winter, spring and autumn.When is summer in the northen hemisphere, the days are long and the nights are short.When is winter in the northern hemisphere, the days are short and the nights are long.In spring and autumn, the Earth is still tilted. The days are about as long as the nights.

ANTARCTICA

GENERAL CHARACTERISTICSAntarctica is the southernmost continent on Earth. The South Pole is found in Antarctica. Antarctica is bigger than Europe and almost double the size of Australia.

RELIEFMost of Antarctica is covered in ice over 1.6 kilometres thick. Well known animals that live in Antarctica include penguins and seals

WATERSThe only river in Antarctica is the Onyx river.Despite being only 32 kilometres in length it is the longest river in Antarctica

OCEANIA

GENERAL CHARACTERISTICSThe region of Oceania an Australia incudes de continet of Australia as well has many surronding islands countries. It is located to the south east of Asia.

RELIEFIs the smallest continent by sice an the second smallest in terns of population.

WATERSLake Gairder, Lake Carnegie, Lake Taupo, Lake Murray, Murray River, Murrumbidgee River, the Darling River.