Large land masses are called this.
Contintents
The largest ocean in the world.
Pacific Ocean
The time during the year when the sun reaches the farthest northern or southern part in the sky. It begins summer and winter.
solstice
An increase in the average temperature of the Earth's temperature.
Global Warming
This mountain range borders the Gulf of California
Sierra Madre Occidental
Earthquakes can be caused by the movement of these.
tectonic plates
The Earth sppins on its axis once every _____?
24 hours
These latitudes usually have hot climates.
tropical
The trapping of the sun's heat by gases in the Earth's atmosphere is called this.
Greenhouse effect
This mountain range borders the Gulf of Mexico
Sierra Madre Oriental
This is the zone where most of the Earth's most active volcanoes are located. (Around the rim of the Pacific Ocean)
Ring of Fire
This is the circulation of water between the Earth, the ocean and the atmosphere.
The Hydrologic Cycle
Falling water droplets in the form of rain, snow, sleet or hail.
percipitation
The process in which farmland becomes less productive because the land is degraded.
desertification
This body of water lies west of the Sierra Madre Del Sur
Pacific Ocean
This is the wearing away and movement of weathered materials from on place to another by the action of water.
Erosion
The region drained by a river and its tributaries is called this.
drainage basin
The beginning of spring and autumn start on this day. It's when the nights and days around the world are equal in length.
equinox
Allowing animals to graze so much that plants are unable to grow back.
overgrazing
2000
Glaciers that grind rocks and reshape the land is an example of what external force?
Erosion
A feature on the Earth's surface caused by a physical force.
landform
Name the four vegetation regions discussed in class.
forest, savanna, grasslands and deserts
Cutting down trees and not replanting new trees
deforestation
Which time span shows the sharpest increase in temperature?
1980-2000