The thinnest of earth's layers.
What is the crust?
Boundaries that slide past each other.
What are transform boundaries?
The layer of soil that contains the most minerals and humus.
What is topsoil?
Melted rock on the earth's surface.
What is lava?
Land formation formed by divergent plates.
What are volcanoes?
The hottest of earth's layers.
What is the inner core?
The study of how the earth's lithospheric plates interact.
What is plate tectonics?
The lowest layer of the crust which is made of solid rock.
What is bedrock?
Melted rock inside the earth.
What is magma?
Weathering that occurs when water freezes and thaws in cracks in rocks, breaking them into smaller pieces.
What is physical weathering?
The thickest of earth's layers.
What is the mantle?
Plate boundaries that push together to form mountains.
What are convergent boundaries?
Horizontal layers of soil.
What is strata?
A crack in the earth's crust along which plate movement occurs.
What is a fault?
Land formations formed by transform boundaries.
What is a fault?
The two layers that make up the lithosphere.
What are the crust and the upper mantle?
Plate boundaries that pull away from one another.
What are divergent boundaries?
Layer of soil that is light brown in color because it is less rich in minerals and humus.
What is subsoil?
The process by which rocks are gradually broken down.
What is weathering?
Occurs when stalactites and stalagmites are formed.
What is chemical weathering?
The layer that produces the earth's magnetic field.
What is the outer core
Occurs when hot magma rises up toward the crust and cooler magma sinks toward the core.
What are convection currents?
What is humus?
An Earth Science principle that states that the earth's atmosphere is constantly moving toward a state of rest or balance.
What is equilibrium?
Precipitation, the amount of oxygen in the atmosphere, and the temperature of the air have all been affected worldwide due to ______________________.
What is deforestation?