1
Where is magma found?
It is formed in the mantle and found in the earth's crust.
What causes earthquakes?
Plates grinding or slipping past each other at a fault
What was the name of the supercontinent that has since divided and slowly drifted apart?
Pangaea
What is the Ring of Fire?
A zone around the rim of the Pacific Ocean that is the location of the vast majority of active volcanoes
A form of magma that has reached the earth's surface.
What is the point called where earthquakes begin?
Epicenter
What is an area drained by a major river and its tributaries called?
A drainage basin
What is weathering?
Physical and chemical processes that change the characteristics of rock on or near the earth's surface.
What is a landform?
Naturally formed features on the surface of the earth
What are the two types of weathering?
Mechanical and chemical
What is the combination of the surface shape and composition of the landforms and their distribution in a region called?
Topography
What occurs when weathered material is moved by the action of wind, water, ice, or gravity?
Erosion
What does relief tell you about a landform?
The difference in elevation from its lowest point to its highest point
What must be present for erosion to occur?
A transporting agent
What are the three types of plate boundaries called?
Divergent, convergent, and transform
What are the three transporting agents of erosion?
Wind, water, gravity
What is the hydrologic cycle?
The continuous circulation of water between the atmosphere, the oceans, and the earth
What layers are found in the earth's interior?
The core, the mantle, and the crust
How are the Richter scale and a seismograph used?
What is the amount of organic material in soil called?
Humus