Show:
Earth's Layers
Plate Tectonics
Volcanoes & Eartquakes
Types of Rocks
Identifying Rocks
100
Name the layers of the Earth in order from outer to inner
What are the crust, the mantle, the outer core, and the inner core?
100
This type of boundary pushes plates together and creates folded mountains, volcanoes, and ocean trenches
What is convergent?
100
Name one boundary where volcanoes can occur
What is divergent or convergent?
100
Name two of the three types of rocks.
What are sedimentary, igneous and metamorphic?
100
These are used to identify rocks...
What are classification keys?
200
This layer of the Earth is known as the thickest layer and is made of rocky material that flows like a liquid
What is the mantle?
200
Name the boundary that causes pulls plates apart and creates mid-ocean ridges in the oceans
What is divergent?
200
True or False: land and ocean plates are still moving
What is true?
200
This type of rock tends to have layers where minerals have lined up together.
What is metamorphic?
200
__________ provide information about life and conditions of the past.
What are fossils?
300
This layer of the Earth is the thin rocky surface that includes the continents and the ocean floor
What is the crust?
300
This type of boundary creates fault lines and earthquakes.
What is transform?
300
Boundaries of plates where volcanoes and earthquakes are found are called _______.
What is faults?
300
Magma that cools and hardens underneath the surface forms this type of rock
What is intrusive igneous rocks?
300
Fossils are usually found in this type of rock
What is sedimentary?
400
The outer and inner cores are made up of which metals? (Name one).
What is iron or nickel?
400
Divergent movement is called __________.
What is tension?
400
These are created when a plate carrying ocean floor collides with another plate.
What are ocean trenches?
400
Lava cooling and hardening on the surface creates this type of rock
What is extrusive igneous rocks?
400
Name two properties of rocks that can be observed, tested and described.
What are composition, grain size, texture, color and presence of fossils?
500
Name two things that increase with depth beneath the surface
What are heat and pressure?
500
This causes movement in the crust
What is the flowing mantle?
500
The Appalachian Mountains were created by this type of plate boundary
What is convergent?
500
Sandstone, shale, limestone, and coal are examples of this type of rock
What is sedimentary?
500
Rocks and fossils have helped scientists determine that the age of the Earth is about ________ years old
What is 4.6 billion?