north america
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Presentation on North America...........TRANSCRIPT
North AmericaNorth America
Made By :- Made By :-
Kausar ShaikhKausar Shaikh
Where is North America?Where is North America?
North America is to the North America is to the north of South America.north of South America.
North America has the North America has the Pacific Ocean on the Pacific Ocean on the western side and the western side and the Atlantic Ocean on the Atlantic Ocean on the eastern side.eastern side.
The cold Arctic Ocean The cold Arctic Ocean is to the north of North is to the north of North AmericaAmerica
Countries in North AmericaCountries in North America
USA (our country)USA (our country) CanadaCanada MexicoMexico Many other small Many other small
countriescountries
People in North AmericaPeople in North America There are many different kinds of people living in North AmericaThere are many different kinds of people living in North America The first people in North America were called Native Americans or The first people in North America were called Native Americans or
American Indians. There are still Indians living in North America today.American Indians. There are still Indians living in North America today. All other people living in North America once came from other continentsAll other people living in North America once came from other continents People in North America have many different skin and hair colorsPeople in North America have many different skin and hair colors Most people in North America speak English, Spanish, or FrenchMost people in North America speak English, Spanish, or French
Weather in North AmericaWeather in North America
The weather or climate The weather or climate in North America is in North America is very cold in the North very cold in the North like Canada, Alaska, like Canada, Alaska, and Greenlandand Greenland
The southern parts of The southern parts of North America like North America like Florida and Mexico are Florida and Mexico are much warmer because much warmer because they are closer to the they are closer to the equatorequator
Animals in North AmericaAnimals in North America
One very special animal that lives in North One very special animal that lives in North America is the buffalo or bison. It lives on the America is the buffalo or bison. It lives on the flat prairie in the middle of North America.flat prairie in the middle of North America.
ClimateClimate map map
Temperature Temperature and and precipitationprecipitation are are
its most its most important important
expressions and expressions and vegetationvegetation is its is its
most visible most visible expression. expression.
Animal life adapts Animal life adapts to both climate to both climate and and vegetation. vegetation.
climateclimate
A climograph that combines monthly A climograph that combines monthly precipitation and temperature statistics precipitation and temperature statistics
on a single graph. Precipitation is on a single graph. Precipitation is shown using a bar graph and shown using a bar graph and
temperature is shown using a line temperature is shown using a line graph.graph.
Climate influences vegetation, soils,
landforms, and water resources, and many
human activities as well. A climate region is a portion of the earth's
surface over which the climate characteristics
are similar.
average condition of the weather based upon statistics collected over a period of 30
years.
Rainfall amounts in Rainfall amounts in North America North America
range from over range from over 150 cm in the rain 150 cm in the rain forests to less than forests to less than
50 cm in the 50 cm in the mountainous areas mountainous areas
of the West.of the West.
PrecipitationPrecipitation
Population MapPopulation Map
Which part of the Which part of the United States is the United States is the
most heavily most heavily populated?populated?
NightNightlightslights
Black – sea level, Light Gray – over 10,000 ‘Black – sea level, Light Gray – over 10,000 ‘
Based upon satellite Based upon satellite measurements of measurements of city lights, this city lights, this
image is a map of image is a map of the urban the urban
population density population density of North America.of North America.
Most major cities are in level areas along an ocean, bay, Most major cities are in level areas along an ocean, bay, large lake, or navigable riverlarge lake, or navigable river. .
Each land cover type plays a different role in carbon, climate, and water cycles. Land Each land cover type plays a different role in carbon, climate, and water cycles. Land cover maps help scientists understand how human and natural activities affect the Earth cover maps help scientists understand how human and natural activities affect the Earth
system.system.
Land Land cover cover
Vegetation Vegetation types that that cover the cover the
United States United States in different in different
colorscolors..
Snow CoverSnow Cover
TundraTundra
The Arctic tundra is a cold, vast, treeless area of low, swampy plains in the far north around
the Arctic Ocean. It includes the northern lands of Alaska and Canada. Since the sun does not rise for nearly six months of the year, it is not unusual for the temperature to be below -30°F
in winter.
The earth’s coldest biome
Alaska’sAlaska’sdenalidenali
The Alaskan The Alaskan denali denali is a treeless is a treeless
tundra with only tundra with only mosses and lichen mosses and lichen vegetation in the vegetation in the
summer, and summer, and covered with snow covered with snow
the rest of the the rest of the year. year.
Alaska Alaska wildlifewildlife
The Brown Bear The Brown Bear (right)(right) lives throughout the lives throughout the
North American North American continent, continent,
particularly in the particularly in the colder climes.colder climes.
Arctic birds converge along Arctic birds converge along the islandsthe islands
The southern part of the denali tundra gives way The southern part of the denali tundra gives way to the hardy trees of the taigato the hardy trees of the taiga
Taiga (or Boreal Forests) Taiga (or Boreal Forests) represent the largest represent the largest
terrestrial biome. terrestrial biome. Occurring between 50Occurring between 50°° and 60and 60°° north latitudes, north latitudes,
boreal forests can be boreal forests can be found in the broad belt of found in the broad belt of
Eurasia and North Eurasia and North America. At left is the America. At left is the
hardy jack pine species hardy jack pine species common in the poor, common in the poor, sandy soils, mostly in sandy soils, mostly in
Canada.Canada.
TaigaTaiga
MooseMooseMooseMoose
L. Michigan
L. Superior
L. Huron
L. Erie
L. Ontario
N
Milwaukee
Chicago
Detroit
Convection
Lake Effect
MarineMarineWest CoastWest Coast
The marine or humid west coast climate The marine or humid west coast climate is found on the west coast of mid-is found on the west coast of mid-
latitude climates and is very humid latitude climates and is very humid through most of the year. Westerly through most of the year. Westerly winds from the ocean bring cloudy winds from the ocean bring cloudy skies, much precipitation, and mild skies, much precipitation, and mild
temperatures.temperatures.
Orographic RainOrographic Rain
West Coast rain forestWest Coast rain forest
The The abundant abundant rainfall of rainfall of the Pacific the Pacific Northwest Northwest allows for allows for
the growth the growth of huge of huge
pine trees.pine trees.
Olympia National ParkOlympia National Park
Rivers carry Rivers carry nutrients to the nutrients to the
forests by way of forests by way of fish, insects and fish, insects and
other animals other animals that live in this that live in this
aqueous world.aqueous world.
Alpine tundraAlpine tundra Rocky Mountain highRocky Mountain high
This biome exists at This biome exists at the tops of high the tops of high
mountains, above mountains, above the tree line. the tree line.
The growing season The growing season is about 180 days, is about 180 days,
and nighttime and nighttime temperatures are temperatures are
usually below usually below freezing.freezing.
Deciduous ForestDeciduous Forest
Deciduous forests can Deciduous forests can be found in the eastern be found in the eastern half of North America, half of North America,
and the middle of and the middle of Europe.Europe.
Temperate grasslands are characterized by hot summers and cold winters. Evaporation
rate is high, so little rain makes it into the rich soil.
Mid-grass prairie near Manhattan, KansasMid-grass prairie near Manhattan, Kansas
Great Plains grasslandsGreat Plains grasslands
Great PlainsGreat Plains
In the Prairies ecozone, rivers and streams are
slow moving, usually with muddy bottoms. There
are few lakes, but many marshes and small
shallow ponds.
DesertDesert
Although Although most most
deserts deserts occur at occur at
low low latitudes, latitudes,
cold cold deserts deserts occur in occur in
the basin the basin and range and range
area of area of Utah and Utah and Nevada. Nevada.
sparse vegetation, sparse vegetation, very low plant very low plant
diversitydiversity
Sonoran DesertSonoran Desert
This is the hottest of our This is the hottest of our North American deserts, its North American deserts, its rainfall pattern produces a rainfall pattern produces a high biological diversity.high biological diversity.
The Sonoran Desert is an arid The Sonoran Desert is an arid region covering 120,000 region covering 120,000
square miles in southwestern square miles in southwestern Arizona and southeastern Arizona and southeastern
California, Baja California and California, Baja California and the western half of the state the western half of the state
of Sonora, Mexico.of Sonora, Mexico.
Californian Californian chaparral chaparral A chaparral is A chaparral is
a shrubby a shrubby coastal area coastal area that has hot that has hot dry summers dry summers
and mild, cool, and mild, cool, rainy winters. rainy winters. Annual rainfall Annual rainfall in a chaparral in a chaparral ranges from ranges from 15–40” per 15–40” per
year. year.
The word chaparral comes from "chaparro," which means The word chaparral comes from "chaparro," which means scrub oakscrub oak in Spanish. in Spanish.
Rain forestRain forestTropical rain forests are Tropical rain forests are
mainly mainly the product of climatic the product of climatic
interactions, interactions, particularly temperature and particularly temperature and
rainfall. rainfall. They occur where They occur where
monthly temperature monthly temperature of 20 - 28of 20 - 28°°C combines C combines
with an annual with an annual rainfall of 1.5 -10m, rainfall of 1.5 -10m, evenly distributed evenly distributed
throughout throughout the year.the year.
Central AmericanCentral AmericanRain ForestRain Forest
The tropical rain forest is a The tropical rain forest is a forest of tall trees in a forest of tall trees in a
region of year-round warmth region of year-round warmth with an annual average of with an annual average of
50- 260” of rain. These 50- 260” of rain. These forests belong to the forests belong to the
tropical wet climate grouptropical wet climate group..
Are you ready for a quiz?Are you ready for a quiz?
1. Find North America1. Find North America
2. What makes North America 2. What makes North America special?special?
A.A. It is hot all the timeIt is hot all the time
B.B. It is a very big It is a very big continentcontinent
C.C. We live thereWe live there
D.D. Nobody lives thereNobody lives there
3. What ocean is this?3. What ocean is this?
A.A. Indian OceanIndian Ocean
B.B. Atlantic OceanAtlantic Ocean
C.C. Arctic OceanArctic Ocean
D.D. Pacific OceanPacific Ocean
4. Where in North America do 4. Where in North America do buffalo or bison live?buffalo or bison live?
A.A. The cold northThe cold north
B.B. The warm southThe warm south
C.C. Buffalo do not live in North AmericaBuffalo do not live in North America
D.D. On the grassy plainsOn the grassy plains
5. Which country is 5. Which country is notnot part of part of North America?North America?
A.A. USAUSA
B.B. MexicoMexico
C.C. ChinaChina
D.D. CanadaCanada
Thank YouThank You