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62 terms

Mid-Term Exam Part 1

STUDY
PLAY
geography
the study of Earth and its people
globe
a model of the Earth
latitude (parallels)
shows distance North or South of Equator
longitude (meridians)
shows distance East or West of Prime Meridian
degrees
unit of measurement for latitude/longitude
hemisphere
1/2 of the Earth or globe
grid
criss-cross lines on map
scale
tells true distance on a map
compass rose
tells directions on a map
cardinal directions
North, South, East, West
distortion
not true size
projection
make flat map from a globe
key (legend)
tells what the symbols mean on a map
magma
molten rock (hot, liquid)
continent
7 huge land masses on Earth
tectonic plate
huge slabs of Earth's crust
earthquake
sudden movement of Earth's crust
Ring of Fire
ring of volcanoes and earthquakes around Pacific Ocean
volcano
opening in Earth for magma
weathering
the breakdown of rocks and soil
erosion
the movement of weathered rocks/soil
sediment
deposits of sand, rocks, dirt
glacier
big chunk of ice or snow- slowly moving
drainage basin
area drained by a river
ground water
water found underground
hydrologic cycle
water cycle- evaporation; condensation; precipitation; run-off
landform
land feature on Earth
plateau
high, flat land
relief
height of a landform
continental shelf
underwater edge of a continent
atmosphere
gases around the Earth
solstice
sun's rays hitting Tropic of Cancer-June 21/Tropic of Capricorn- Dec 22
equinox
sun's rays hitting the Equator- March 21, Sept 22 (equal day/night)
weather
the condition of Earth's air (temperature and precipitation)
solar energy
heat/energy from the sun
hurricane
a tropical storm with heavy wind/rain in the Atlantic Ocean
typhoon
a tropical storm with heavy wind/rain in the Pacific Ocean
climate
weather over a period of time
wind currents
moving air that distributes sun's heat
ocean currents
rivers in the ocean that distribute hot/cold water
climate region
area of Earth with same climate
tropical
hot climate region near the Equator
vegetation region
area with similar plants
savanna
vegetation region with grasses and trees (Africa)
desert
dry region with few plants
tornado
violent, rotating winds over land
tsunami
huge ocean wave formed by an underwater earthquake
global warming
getting warmer on Earth
greenhouse effect
Sun's heat trapped on Earth
greenhouse gas
gas that traps the Sun's heat
carbon dioxide
a main greenhouse gas
fossil fuels
gas, oil, coal
emissions
gases put in the air (cars; factories)
desertification
ruining of farmland
degraded
getting worse
overgrazing
overeating by farm animals
deforestation
cutting down trees and not replanting
sustainable
use natural resources wisely for the future
strip mining
stripping off the surface of the Earth
air pollution
man-made chemicals in the air
water pollution
man-made chemicals in the water
acid rain
rain poisoned by air pollution