Lesson 1
Contiguous
next to each other
landform region
a region that has similar landforms throughout
gulf
a large inlet
tundra
a cold dry region where trees cannot grow
land use
how the land is used
region
an area in which many features are similar
climate
the kind of weather a place has over a long time
tributary
a stream or river that flows into a larger stream or river
elevation
the height of land in relation to sea level
natural resource
something found in nature (soil, plants, minerals, water) that people can use to meet their needs
continent
one of Earth's seven largest land masses
erosion
the gradual wearing away of Earth's surface
river system
a river and its tributaries
natural vegetation
the plant life that grows naturally in a place
modify
to change
population
the number of people who live in an area
mountain range
a group of connected mountains
inlet
any area of water extending into the land from a larger body of water
arid
dry
irrigation
the use of ditches, canals, or pipes to move water
relative location
the position of one place compared to other places
environment
the surroundings in which people plants and animals live
drainage basin
the land drained by a river system
efficiency
using less energy to do the same task