domingo, 13 de noviembre de 2016
martes, 1 de noviembre de 2016
THE LITHOSPHERE
The lithosphere is the solid, outer part of the Earth.
It can be divided into Oceanic crust and Continental crust.
1) Oceanic crust is the solid part covered by the water of the oceans. There are five oceans:
- Atlantic.
- Pacific.
- Indian.
- Artic.
- Southern.
2) Continental crust: it is the soild part that forms the continents. There are five continents:
- Europe.
- Asia.
- Africa.
- America.
- Oceania.
For more information,click on the links below:
http://www.kidsgeo.com/geography-for-kids/0134-the-earths-oceans.php
http://www.ducksters.com/geography/oceans.php
https://www.sheppardsoftware.com/World_Continents.htm
SOCIAL SCIENCE
THE LITHOSPHERE
There are three layers in the Earth:
1) The core: it is the inner layer. It is made up of lava and magma.
2) The mantle:it is the middle layer. It is made up of magma and rocks.
3) The crust:it is the surface of the Earth. It is made up of rocks and soil.
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lunes, 17 de octubre de 2016
CHANGES IN ECOSYSTEMS
There are different types of changes in ecosystems
- Changes caused by natural causes: changes in the weather, floods, forest fires, volcanic eruption...
- Changes caused by human activities: construction of buildings, planting...
FLOOD
FOREST FIRE
VOLCANIC ERUPTION
THE WEATHER: FOUR SEASONS
OF THE YEAR.
HUMAN BUILDINGS
HUMAN PLANTING
FOOD CHAIN IN ECOSYSTEMS
The food chain consists of three groups:
1) PRODUCERS
2) CONSUMERS
3) DECOMPOSERS
PRODUCERS
They make their own food (Plants and algae).
CONSUMERS
There are three types of consumers:
1) HERBIVORES: they only eat plants.
2) CARNIVORES: they only eat meat.
3) OMNIVORES: they eat plants and meat.
DECOMPOSERS
They decompose dead organisms. Some examples are fungi and bacteria.
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