river streams carved out over time by moving water is an example of what.
What is erosion?
The thinnest layer of the earth
What is the crust?
This is what magma is called once it exits the earth's crust.
What is lava?
This is a mound or hill of sand formed by wind.
What is a sand dune?
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?
The breaking down of rocks through wind, rain and Ice
What is weathering?
The thickest layer of the earth
What is the mantle?
When magma cools, it forms
What is Igneous rock?
This is what causes earthquakes, volcanoes, and uplift
What is the movement of Tectonic Plates?
This a wide, flat-topped hill. It has at least one steep side.
What is a mesa?
This rock is larger than a cobble.
What is a boulder?
acid rain making rocks break down and change
The hottest layer of the earth
What is the inner core?
Layers of sediment forming over another over thousands of years into a _____
What is sedimentary rock?
This volcano forms from different kinds of eruptions. Layers of cinders, lava and ash build up into a mountain.
What is a composite volcano?
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 an 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?
What is the outer core?
It forms when cinders or pieces of lava burst out of Earth in an eruption.
What is a cinder cone?
Earthquakes can cause damage to these types of structures.
What are buildings, roads, bridges?
This is low, flat, level land. They are found in the center of the United States.
What is a plain?
This is why the bottom of the ocean is sandy.
What is deposition?
This layer is where convection currents happen.
What is the mantle?
There are two types of igneous rocks
What is intrusive and extrusive?
This is made up of rocks that are tinier than sand.
What is clay?
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?