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Rainforest
Rainforest
WALT: to know what a rainforest, in
WALT: to know what a rainforest, in
particular the Amazon
particular the Amazon

What is a Rainforest?
What is a Rainforest?

Rainforests are very dense, warm and wet
Rainforests are very dense, warm and wet
forests
forests

They are havens for millions of plants and
They are havens for millions of plants and
animals
animals

They are very important in the ecology of the
They are very important in the ecology of the
Earth as the plants of the rainforest generate
Earth as the plants of the rainforest generate
much of the Earth’s oxygen
much of the Earth’s oxygen




Rain Forests”
Rain Forests”

The name rain forest was first used at
The name rain forest was first used at
the end of the 19
the end of the 19
th
th
Century to describe
Century to describe
forests that grow in constantly wet
forests that grow in constantly wet
conditions
conditions

Today, scientists define rain forests as
Today, scientists define rain forests as
forests that receive more than 2,000 mm
forests that receive more than 2,000 mm
of rain evenly spread throughout the
of rain evenly spread throughout the
year
year


A rainforest is often referred to as a jungle,
A rainforest is often referred to as a jungle,

which is a Hindi word from India meaning a
which is a Hindi word from India meaning a
wilderness
wilderness

A true jungle is a thick tangle of vegetation,
A true jungle is a thick tangle of vegetation,
through which people have to force and cut
through which people have to force and cut
their way
their way

Rainforests contain patches of jungle, but
Rainforests contain patches of jungle, but
mainly they are more open
mainly they are more open

Tropical Rain Forests
Tropical Rain Forests

Tropical rain forests are found in a belt around the
Tropical rain forests are found in a belt around the
equator, where temperatures and rainfall are very high
equator, where temperatures and rainfall are very high
all year round
all year round

There is very little variation between the seasons
There is very little variation between the seasons


They will have an even distribution of rainfall annually
They will have an even distribution of rainfall annually

Warm temperatures with less variation during the year
Warm temperatures with less variation during the year

The best known rain forests are found in tropical
The best known rain forests are found in tropical
regions between the Tropics of cancer and Capricorn
regions between the Tropics of cancer and Capricorn

Temperate Rainforests
Temperate Rainforests

The precise definition of a temperate
The precise definition of a temperate
rainforest has still not been fully
rainforest has still not been fully
decided by scientists
decided by scientists

They will have one long wet
They will have one long wet
winter/spring season, and a dry
winter/spring season, and a dry
foggy summer
foggy summer

It will have a range of differences in
It will have a range of differences in

daytime and night time temperatures
daytime and night time temperatures

Differences
Differences

These are just some differences between a
These are just some differences between a
Temperate and Tropical rainforest.
Temperate and Tropical rainforest.

Do you think there will be any others?
Do you think there will be any others?

Different types of plants and trees
Different types of plants and trees

Different animal life
Different animal life

The Amazon Rainforest
The Amazon Rainforest

One of the most well known rainforests is the
One of the most well known rainforests is the
Amazon
Amazon

Where is the Amazon?
Where is the Amazon?


South America
South America

The Amazon rainforest is the largest rainforest
The Amazon rainforest is the largest rainforest
in the world
in the world

It covers an area about two thirds the size of
It covers an area about two thirds the size of
the US
the US

Two thirds of the Earth’s fresh water can be
Two thirds of the Earth’s fresh water can be
found there
found there

Amazon
Amazon

The Amazon was given its name by European
The Amazon was given its name by European
explorers, after a tribe of fierce women called
explorers, after a tribe of fierce women called
Amazons
Amazons

Whether this tribe really existed is one of the

Whether this tribe really existed is one of the
many mysteries of the jungle
many mysteries of the jungle

Mysteries of the
Mysteries of the
Amazon
Amazon

Can you think of any other mysteries of
Can you think of any other mysteries of
the Amazon?
the Amazon?

There are stories of gold and lost cities
There are stories of gold and lost cities

Strange and wondrous people, animals
Strange and wondrous people, animals
and plants
and plants

The Amazon River
The Amazon River

The Amazon River,
The Amazon River,
which snakes
which snakes
through this

through this
rainforest, is the
rainforest, is the
largest river system
largest river system
in the world
in the world



Hundreds of small streams join larger ones and
Hundreds of small streams join larger ones and
keep getting bigger until they join the Amazon
keep getting bigger until they join the Amazon

The whole area is called the Amazon Basin
The whole area is called the Amazon Basin


Well done, now you know what a rainforest is!
Well done, now you know what a rainforest is!

Next time we will find out were you find the
Next time we will find out were you find the
rainforests!
rainforests!

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