forests ecosystems grade 3

1. TropicalTropical
RainforestRainforest

2. What is a TropicalWhat is a Tropical
Rainforest?Rainforest?
 Rainforests are very dense, hot and wetRainforests are very dense, hot and wet
forestsforests
 They are havens for millions of plantsThey are havens for millions of plants
and animalsand animals
 They are very important in the ecology ofThey are very important in the ecology of
the Earth as the plants of the rainforestthe Earth as the plants of the rainforest
generate much of the Earth’s oxygengenerate much of the Earth’s oxygen

3. ““Tropical RainTropical Rain
Forests”Forests”
 The name rain forest was first used atThe name rain forest was first used at
the end of the 19the end of the 19thth
Century to describeCentury to describe
forests that grow in constantly wetforests that grow in constantly wet
conditionsconditions
 Today, scientists define rain forests asToday, scientists define rain forests as
forests that receive more than 2,000 mmforests that receive more than 2,000 mm
of rain evenly spread throughout theof rain evenly spread throughout the
yearyear

4. ““Tropical RainTropical Rain
Forests”Forests”
 The rain falls all year roundThe rain falls all year round

5. Temperate forestsTemperate forests
 They will have one longThey will have one long wet andwet and
cold wintercold winter season, and aseason, and a drydry
warm summerwarm summer
 It will have a range of differences inIt will have a range of differences in
daytime and night time temperaturesdaytime and night time temperatures

6. DifferencesDifferences
 These are just some differences betweenThese are just some differences between
a Temperate and Tropical rainforest.a 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 treesDifferent types of plants and trees
 Different animal lifeDifferent animal life

7. DifferencesDifferences
 Different types of plants and treesDifferent types of plants and trees
 Different animal lifeDifferent animal life
 Tropical rainforest has more rain than theTropical rainforest has more rain than the
temperate foresttemperate forest
 Different climateDifferent climate
 What is the climate of the temperateWhat is the climate of the temperate
and tropical rainforests???and tropical rainforests???