Stream beds carved out over time by moving water is an example of what.
What is erosion?
This is a long, narrow sunken area of the ocean floor.
What is a trench?
This is what magma is called once it exits the earth's crust.
What is lava?
This an area of the Earth's crust where tectonic plates meet.
What is a fault?
This is a hill with steep sides and a flat top and smaller than a mesa.
What is a butte?
These rocks contain fossils.
What are sedimentary rocks?
This is a low area between mountains. Rivers make V-shaped ones and glaciers make U-shaped ones.
What is a valley?
A place where lava, ash and gases escape from openings in Earth's crust.
What is a volcano?
True or False
Volcanoes only happen on mountains
What is false?
This is what causes earthquakes, volcanoes, and uplift
What is the movement of Tectonic Plates?
The plate boundaries surrounding the Pacific Ocean, where there are many volcanoes and earthquakes.
What is the Ring of Fire?
These rocks are formed from molten lava, or magma.
What are igneous?
This is a deep V-shaped valley eroded by rivers.
What is a a canyon?
This is a high, steep area of land. Some of these are volcanoes.
What is a mountain?
This is what is spewed into the air when a volcano erupts.
What is ash?
The process by which, over millions of years, rock continually change from one type of rock to another.
What is the rock cycle?
When there is an earthquake in the ocean causing the crust to shift it creates a huge wave called a this.
What is a tsunami?
This is a large area of high, nearly flat land and covers a lot of area.
What is a plateau?
When earth is moved by wind, water, or gravity.
What is erosion?
A 4 pointed symbol that shows N,S,E, W
What is a compass rose?
This is an area at the edge of a lake or the ocean. It is often sandy.
What is a beach?
True or false: once a rock is a specific kind of rock it will remain that kind of rock.
What is false?
This causes volcanoes to appear.
What is the movement of the Earth's plates?
This is low, flat, level land. They are found in the center of the United States.
What is a plain?
Something observed that can be used to confirm or deny and idea.
What is evidence?
This is the explanation on a map for the meaning of the symbols on the map.
What is a legend?
True or false:
Scientists think it possible that up to 80 percent of the world's volcanic eruptions take place in the ocean.
What is true?
This is a mixture of rock particles, air, water, and decomposing matter.
What is soil?
This coast of the North America is most often affected by earthquakes.
What is the west coast?
Rocks are made of different kinds of these.
What are minerals?
The process that wears away or breaks down rock.
What is weathering?
This is a characteristic or part of something.
What is a feature?
True or false:
Over time, the shape of a volcano will change.
What is true?
Organic matter found in soil.
What is humus?
This is the difference between a plateau and a butte.
What is size?
This rock is formed when other rocks are combined with great pressure and heat.
What are metamorphic rocks?