CLIMATECLIMATE Temperatures reach both extremes of the scale from freezing cold –30ºC in AlaskaAlaska to a

boiling hot 60ºC in California’s Death ValleyDeath Valley. On the southwest there is a desert climatedesert climate, which is opposite of the east which has ocean ocean

climate. climate. On the south is tropical climatetropical climate, and on the north is humid continental climathumid continental climate.e.

GRAND CANYONGRAND CANYON Took 3-6 million years to form; erosion continues to alter its contours. The Grand Canyon become a national park in 1919. It was formed by the Colorado RiverColorado River, which flows west through the canyon and averages

about 300 feet. Many people consider it to be one of the seven wonders of the natural world. The Grand Canyon is 277 miles (446 kilometers277 miles (446 kilometers) in length. As well as sightseeing, hiking and rafting are also popular in the area.

NIAGARA FALLSNIAGARA FALLS The Niagara Falls The Niagara Falls are located on the border of Ontario, Canada and New York, USA. The Niagara Falls are made up of 3 waterfalls, the American FallsAmerican Falls, the Bridal Veil FallsBridal Veil Falls and the

Horseshoe Falls.Horseshoe Falls.

The 3 waterfalls combine to produce the highest flow rate of any waterfall on EARTH!!!EARTH!!! The Niagara Falls are a source of hydropower, producing large amounts of electricity. The Niagara River drains water from Lake Erie Lake Erie into Lake Ontario.Lake Ontario. The Niagara Falls were created by glacier activity around 10,000 years ago. It is illegal (and not very smart) to go over the Niagara Falls. A number of people have tried it anyway, some survived, some were injured and some were

killed. The first tightrope walker to cross the Niagara Falls did so in 1859. Goat Island sits in the middle of the Niagara Falls, between Horseshoe Falls and Bridal Veil

Falls. A monument dedicated to Serbian-American inventor NikolaTeslaNikolaTesla sits on Goat Island. The Niagara Falls are visited by around 30 million people every year.

MISSISSIPPI RIVERMISSISSIPPI RIVER The length of the Mississippi RiverMississippi River is approximately 3,730 km, slightly shorter than the

Missouri River. The Mississippi River and Missouri River Missouri River combine to form the longest river system in thethe

USAUSA and North AmericaNorth America. It is also the fourth longest in the world. The first bridge built across the Mississippi River was in 1855 with the first railroad

bridge finished a year later in 1856. At its widest point, the Mississippi River stretches out over 11 km in width.

RIO GRANDERIO GRANDE The Rio GrandeThe Rio Grande is 3,000 km long, the fifth longest river in the United States Of America. A 2,000 km segment of the river forms the international boundary between Mexico and

the United States Of America. The Rio Grande begins in the Colorado MountainsColorado Mountains, courses through New MexicoNew Mexico, forms

the border between TexasTexas and MexicoMexico, and flows into the Gulf of Mexico.

GREAT LAKESGREAT LAKES The Great LakesThe Great Lakes — Superior, Huron, Michigan, Ontario and Erie Superior, Huron, Michigan, Ontario and Erie — make up the largest

body of fresh water on Earth, accounting for one-fifth of the freshwater surface on the planet at 6 quadrillion gallons. The area of all the Great Lakes 246,463 square kilometers.

21% of the world's surface freshwater is contained in these lakes. The waters of the Great Lakes are so cold and most ship wrecks have been almost

perfectly preserved including some of the people. Storms on the Great Lakes can rival almost any Ocean Storm and there have been record

wave heights recorded between 9 and 11 metres.

RED RIVERRED RIVER The Red River The Red River drains an area of some 241,000 square km. It is a tributary of the Mississippi River. The Red River is 2,080 km long; for about half this distance, it serves as the

Texas-Oklahoma Texas-Oklahoma boundary. The river and its valley were the site of the RRed River Campaigned River Campaign in the American American

Civil War.Civil War.

PRESENTATION PRESENTATION DONE BYDONE BY::ALEKSA TRIVIC,ALEKSA TRIVIC,ANJA ANDRIC, ANJA ANDRIC, IVAN VEN,IVAN VEN,LAZAR PAVLOVIC LAZAR PAVLOVIC ANDANDPETAR LOVICPETAR LOVIC