The same minerals always form in the same shape.
What is Crystalline Structure?
What you are standing on right now.
What is the Crust.
A fountain of water that is heated by a nearby body of magma.
What is a Geyser?
The process of breaking down rock.
What is Weathering?
A preserved remain or trace of a once living organism.
What is a fossil?
A rock that contains metal or other useful materials.
What is an ore?
There are this many major layers of Earth.
What is four?
Volcanoes are almost only along this place.
What is a plate boundary?
The process of sediment being carried from one place to another.
What is Erosion?
A way to date rocks, comparing them with the ages of other rocks.
What is relative age?
When the grains of a sedimentary rock are all the same size.
What is well-sorted?
In the mantle, this helps cause the movement of the crust.
What are Convection Currents?
Name two parts of a volcano.
What are magma chamber, pipe, vent, lava flow, dike, sill, or crater?
The laying down or settling of eroded material.
What is deposition?
The longest subdivision of time.
What is an Eon?
The three rock classifications.
What are Igneous, Sedimentary, and Metamorphic.
A dense ball of solid metal.
A not active volcano, but may become active in the future.
What is a dormant volcano?
This occurs where a river meets an area of rock that erodes faster than rock upstream.
What is a waterfall?
Era that is called the age of the reptiles.
What is the Mesozoic Era?
When any rock erodes, it becomes this.
What is Sediment.
The movement of the liquid outer core creates this.
What is the magnetic field.
A tall, cone-shaped mountain in which layers of lava alternate with layers of ash.
What is a Composite Volcano?
Name three important causers of chemical weathering.
What are Water, Oxygen, Carbon Dioxide, Living Organisms, and Acid Rain.
Name the three Eras.
What are Paleozoic, Mesozoic, and Cenozoic?