Layers of Earth
Which layer of the earth do we live on?
Crust
How is igneous rock formed?
Melting and cooling.
What is a transform boundary?
When 2 plates slide past each other.
What is erosion?
When sediments get carried by wind, water, and ice.
What is the largest layer of the earth?
Mantle
How is sedimentary rock formed?
Compacting and cementing.
What is a convergent boundary?
When 2 plates collide and one goes underneath one.
What is weathering?
The breaking down of rocks by chemical, physical, or biological processes.
Name the two inner layers of the earth.
Inner core and outer core
Which rock is formed by intense heat and pressure?
Metamorphic rock
What is a divergent boundary?
When 2 plates move away from each other.
What is deposition?
When sediments get moved to a new location.
What increases as you go deeper into the earth?
Temperature and pressure.
Daniel picked up a rock. He found out it took millions of years and intense heat. What type of rock is that?
Metamorphic rock.
What is a fault?
The boundary of a plate where volcanoes and earthquakes usually happen.
Raphael saw the rain wash away the dirt on the sidewalk. This is an example of _____.
Erosion.
Name all of the layers of the earth in order.
Crust, mantle, outer core, inner core.
Rosa found a rock. It had many layers. What type of rock is that?
Sedimentary rock.
What are convection currents?
Earth’s natural heat which moves the tectonic plates.
A long time ago the Appalachian Mountains were sharp and jagged, but now they are round and a little bit flat. This is a sign of _____.
Weathering.