6
7
8
9
10
100
the movement of people from place to place
What is migration
100
area of land surrounded by lands of higher elevations
What is basin
100
deep and narrow valley with steep walls
What is canyon
100
one of the four major bodies of salt water that surround the continents
What is ocean
200
the exact position of a place on the Earth's surface
What is absolute location
200
the water areas of the Earth, including oceans, lakes, rivers, and other bodies of water
What is hydrosphere
200
chemical or physical processes that break down rocks into smaller pieces
What is weathering
200
major type of ecological community defined primarily by distinctive plant and animal groups
What is biome
200
regular movement of Earth's water from ocean to air to ground and back to the ocean
What is water cycle
300
process by which oceanic plates dive beneath continental plates
What is subduction
300
condition of the atmosphere in one place during a short period of time
What is weather
300
a thin layer of gases that surrounds the Earth
What is atmosphere
300
weather patterns typical for an area over a long period of time
What is climate
300
a periodic reversal of the pattern of ocean currents and water temperatures in the mid-Pacific region
What is El NiƱo
400
narrow stretch of water joining two larger bodies of water
What is strait
400
the spread of culture traits, material and non-material, from one culture to another
What is cultural diffusion
400
elevated land area such as a hill, mountain, or plateau
What is highland
400
location in relation to other places
What is relative location
400
the Earth's yearly trip around the sun, taking 365.25 days
What is revolution
500
refers to people of mixed-indigenous and European descent
What is mestizo
500
to leave one's own country to settle permanently in another
What is emigrate
500
a blast of cold northern air that sweeps across the plains, causing winter temperatures to drop below freezing
What is norther
500
a center where cultures developed and from which ideas spread outward
What is culture hearth
500
piles of rocky debris left by melting glaciers
What is moraine