Earth's Structure and Others
Earth-Shaping Processes
Land and Water
Terms
Interaction with Land and Water
100

Molten rock in the earth's mantle

magma

100

The climate of the earth stabilized slowly after this major event

the Flood

100

This river drains a rainforest that covers 40% of the South American continent

Amazon River

100

Refers to the breakdown of rocks by water, temperature changes, and plant roots

weathering

100

Solid crystals that occur naturally, have a definite chemical composition, and are extracted from rock

minerals

200

This theory states that the earth's surface is broken into pieces that crash into and pull apart from each other, releasing energy that causes earthquakes

plate tectonics 

200

The most powerful erosion force

running water

200

Shipping products through this method is the least expensive way for nations to trade with one another

water

200

rivers that "feed" other rivers

tributaries

200

The ore from which aluminum is made

bauxite

300

Name the three layers of the earth's surface

crust     mantle 

core

300

This process created the fjords

glaciation

300

More than ___________ (fraction) of the earth's fresh water is in polar icecaps, underground, or in glaciers

2/3

300

Refers to all of the most basic industries

primary industries

300

__________ are stewards of God's resources

People

400

The name for the continents when they were once believed to be linked together as one supercontinent

Pangaea 

400

This idea claims that the forces that shaped the earth as we now see it operated in the past at the same rate at which they do today

uniformitarianism

400

The Sierra Nevada range is an example of what type of mountains?

fault-block

400

A violent upheaval or change in the earth's crust

cataclysm

400

This is a mineral that is used in the manufacture of gunpowder

sulfur

500

Name the four physical systems that the planet is divided into

atmosphere     hydrosphere

biosphere         lithosphere

500

The natural removal of small pieces of rock or soil

erosion

500

Name the four features used to compare river systems

length         drainage area

discharge      navigability

500

Deep cracks in the earth's surface where two pieces of land have moved in different directions

faults

500

Two major branches of agriculture

farming

animal husbandry

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