curved rock formation, formed by a combination of erosional forces.
What is an arch?
an isolated hill with steep, even sides, and a flat top.
what is a butte?
the movement of earth materials from one place to another.
what is erosion?
upward movement of Earth’s crust.
what is uplift?
opening in the Earth’s crust that allows hot, melted rock, ash, and gases to erupt outward.
what is a volcano?
the dropping of sand or rock carried by wind, water, or ice,which creates the layering of earth materials by wind, water, or glaciers.
what is deposition?
energy waves passing through Earth caused by a sudden shift of Earth’s crust along faults.
what is an earthquake?
to wear away.
what is to erode?
relating to the structure of Earth and the changes that have taken place over the years.
What is geological?
the breaking down of earth’s materials into smaller pieces.
what is weathering?
a crack in Earth’s crust that allows the crust to slip.
what is a fault?
slow-moving, large mass of snow, ice, rocks and dirt.
what is a glacier?
what is the crust , lithosphere, mantle , outer core , inner core
what are the layers of the earth
a U shaped valley
what a glacier forms?
V shaped valley
What does a river form?
The mantel
Which of the Earth's layers is the thickest
fertile soil
What is a positive benefit of a volcano eruption?
shield, composite, cinder
What are 3 types of volcanoes?
lava
What is magma called when it reaches the surface?
Mt. St. Helens
Pangea
the name for the land mass when the contionents were all together.
as fast as your finger nails grow.
How fast do tectonic plates move per year.
What caused the grand canyon?
millions of years
How long did the Grand Canyon take to get to what we see today?
water
What is the most powerful erosional pforce on Earth?