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jueves, 21 de noviembre de 2013

1ºESO BILINGUAL: EXAM UNIT 3

Dear students, here you are the correct answers.

POINT 2. WHAT ARE RIVERS?

1.   What are rivers?
RIVERS ARE PERMANENT CURRENTS OF WATER.
2.      Make a diagram (esquema) of the origin or the water of rivers.
- GLACIERS
- LAKES
- ACCUMULATION OF RAINFALL
- FROM MELTING SNOW
3.      How is the place where a river starts called?
SOURCE
4.   Define "tributary"
A SMALL RIVER FLOWING INTO A LARGER RIVER.
5.   Define "basin"
THE AREA OCCUPIED BY A RIVER AND ITS TRIBUTARIES IS CALLED A BASIN.
6.   Define "flow"
THE FLOW OF A RIVER REFERS TO THE AMOUNT OF WATER IT CARRIES.
7.   Complete the following sentences:
1.      If rivers are created from melting snow, THE FLOW IS LARGER IN SPRING.
2.      If rivers are created from rainfall, THE FLOW IS LARGER IN THE RAINY SEASON.
3.      The rivers which are dry most of the time and only have water when it rains are placed in MEDITERRANEAN REGIONS AND IN DESERTS.

9.      What can we transport by rivers?

WE CAN TRANSPORT PEOPLE AND GOODS.
10.  What are canals used for?

CANALS ARE USED TO TRANSPORT RIVER WATER.

11.  What are reservoirs?

RESERVOIRS ARE ARTIFICIAL LAKES.

12.  Make a diagram (esquema) of the functions of reservoirs.

- WATER SUPPLY FOR PEOPLE AND INDUSTRIES
- TO WATER OUR CROPS
13.  What do we build on rivers to produce electricity?
WE BUILD DAMS.

6.- Where are groundwater and glaciers found?

Answer the following questions:

1.    Where does groundwater run and where is it stored?
GROUNDWATER RUNS AND IS STORED UNDER THE GROUND.
2.    Where does most of the water come from?
            MOST OF THE WATER COMES FROM PRECIPITATION
3.    When it rains, what happens with some of the water?
            SOME OF THE WATER PENETRATES THE GROUND AND FILTERS THROUGH POROUS ROCKS.
4.    What happens when this water reaches impermeable rocks?
            WATER CANNOT PASS THROUGH AND FORMS AQUIFERS AND UNDERGROUND RIVERS AND LAKES.
5.    Define "aquifer"
            WATER STORED UNDERGROUND BECAUSE THERE ARE IMPERMEABLE ROCKS.
6.    What does groundwater form when it finds a way to the surface?
            IT FORMS COLD AND HOT SPRINGS
7.    Make a diagram of the value of groudwater.
            - IT IS A SOURCE OF DRINKING WATER
            - IT RUNS INTO RIVERS AND LAKES.
            - IT ENABLES PLANTS TO GROW
8.    What kind of water is there in a glacier?
            FRESH WATER
9.    Define "glacier"
            GLACIERS ARE MASSES OF ICE CREATED BY THE ACCUMULATION OF SNOW.
10.  Where are glaciers found?
            GLACIERS ARE FOUND IN POLAR REGIONS AND AT THE TOP OF MOUNTAINS.
11.  What happens when a glacier reaches the sea?
            IT BREAKS AND FORM AN ICEBERG.
12.  Define "iceberg"
            AN ICEBERG IS A FLOATING MASS OF ICE.

10 comentarios:

  1. Muchas gracias Miss Isabel por haberte molestado.

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  2. El 13 del punto 13 no lo ramos echo

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    Respuestas
    1. El 13 del punto 6 ese no había que hacerlo

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    2. Sara no había que hacerlo porque no lo pone en las respuestas de la profesora . :) Un saludo . Chao

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