How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Upgrade to remove ads
9 weeks test
mountain system made up of parallel ranges
The solid layer of rock beneath the soil.
a mountain ridge that separates river systems flowing toward opposite sides of a continent
the land drained by a river system
small river or stream that flows into a large river or stream; a branch of the river
permanently frozen ground.
a name for trees which lose their leaves every year
a large area of flat or rolling grassland
standard of living
a measure of quality of life based on the amounts and kinds of goods and services a person can buy
electricity produced by water
invented the mechanical reaper
any fuel formed in the earth from the fossilized remains of prehistoric life; coal, oil, natural gas
In 1825 linked the Great Lakes in Midwest with the Hudson River in New York
American Inventor of the telegraph and the morse code
A railroad worker in rural Minnesota. A successful and creative figure in the mail-order business who began by selling jewelry
idea that people should succeed through their own efforts. They should take care of themselves and their families, rather than depend on the government for bail out.
An economic system in which people are able to start and run their own businesses with little control by the government.
a major population center made up of a large city and the smaller suburbs and towns that surround it
he led New Yorkers in digging the Erie Canal, linking the Great Lakes with the Hudson River.
organization by rank, class, or grade
A residential district located on the outskirts of a city
over-lapping region between the South and the West
Imaginary line between the Appalachain Mountains and the Atlantic Coastal Plains
Inventor of lightbulb in 1879, phonograph in 1877 and numerous other innovations
a marshy inlets of lakes and rivers of Louisiana.
a fluid necessary for the life of most animals and plants
One of the poorest areas in the US. A rural area
an American inventor who developed the cotton gin. Also contributed to the concept of interchangeable parts that were exactly alike and easily assembled or exchanged (mass production).
a huge swampland that covers some 4,000 square miles
tropical trees that grow in swampy ground along coastal areas
the language of ancient rome
the world's longest mountain chain, located in western South America
Ring of Fire
a circle around the Pacific Ocean where the majority of Earth's volcanoes and mega-thrust earthquakes are
the home of the world's largest tropical rainforests, runs along the Amazon river
the grassy plains in South America stretching from Argentina to Uraguay .
Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America. At the mouth of Rio de la Plata.
Ore from which aluminum is made.
people of mixed european and native american ancestry
belief in more than one god
...These were built to worship by many gods
gift,statement,or money given to show respect or thanks such as tobacco, gold, precious stones, and jaguar skins.
Warrior god of the Aztec people who they believed brought maize to the Earth.
floating farming islands made by the Aztec
Capital city of the Incas
a Spanish conqueror.
Spanish conquistador who conquered the Aztec Empire
the Spanish conquistador who conquered the Inca Empire
the language of the inca
Upgrade to remove ads