Water on Earth
What are the two types of water that we can find on Earth?
The two types of water are fresh water or salt water.
What is the longest river in the world?
The longest river in the world is the Amazon River.
In how many watersheds can the rivers of Spain be classified? Name all of them.
They can be classified in three watersheds.
The Cantabrian watershed, Mediterranean watershed and Atlantic watershed.
Which ones are the three states of matter?
Liquid, solid and gas.
Are wells man-made or natural objects?
They are man-made objects.
This is a large inland body of water. It can contain fresh or salt water_______
A lake.
______ is the place where a river begins.
______is the place where a river ends.
Source and mouth.
Which is the longest river of the Iberian Peninsula?
The Tajo is the longest river of the Iberian Peninsula.
How important is the sun in the water cycle?
The sun is very important as is one of the causes of evaporation.
What is the difference between impermeable and porous rocks?
Impermeable rocks do not allow water to pass through. Porous rocks have cracks and holes which allow them to absorb water.
How much of the surface of the Earth does water cover, and how much is land?
About 70% of the surface is water, and 30% is land.
It is a river which flows into another river.
It is a curved area a river forms.
Tributary and meander.
Which is longest river of Spain?
The Ebro is the longest river of Spain.
Name the stages of the water cycle.
Evaporation.
Condensation.
Precipitation.
Collection.
Are aquifers above or below the layer of impermeable rocks?
Aquifers are above the layer of impermeable rocks.
How many oceans are there? What are their names?
There are five main oceans.
The Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean and the Arctic Ocean.
In which part of the course of a river it gets wider and reaches the mouth?
In the lower course.
Where do these rivers flow into?
Miño, Bidasoa, Duero, Ebro, Tajo, Guadiana, Guadalquivir, Segura and Júcar.
Cantabrian Sea: Bidasoa
Mediterranean Sea: Ebro, Segura and Júcar.
Atlantic Ocean: Miño, Duero, Tajo, Guadiana and Guadalquivir.
This occurs when ice on the tops of mountains evaporates directly into the air.
This occurs whrn the water inside the leaves of a plant evaporates directly into the air.
Sublimation
Transpiration
Give us a definition of a natural spring.
It is a natural flow of groundwater. Impermeable rock traps the water. The pressure forces the water upwards, until it reaches the surface.
Complete these sentences.
This is moving fresh water. It is usually formed in mountains and flows towards an ocean,a lake or a sea. ___________
This is a large body of salt water, but not very large. It can be partly or completely surrounded by land.________
A River and a sea.
It is the ground under the water of a river.
It is the amount of water in a river.
It is all the land a river flows through.
The river bed
The flow
The river basin
Put these rivers on the map.
Segre
Almanzora
Gudalhorce
Odiel
Tinto
Guadiana
Zújar
Tormes
Nalón
Mundo
Segura
Ebro
Guadiana
Teacher correction.
What is the water cycle?
The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapour, condenses to form clouds, and precipitates back to earth in the form of rain and snow. At the ends this precipitation collects in different bodies of water.
Explain how groundwater is formed.
Precipitation is absorbed into the ground. It sinks into the ground through the soil and then through the porous rocks. Then when it reaches impermeable rocks the water collects to form an aquifer.