Earth's Layers
This layer of Earth is composed of two main categories of rock: oceanic and continental.
What is the crust?
This type of rock is formed from lava that cools above or below the surface of the Earth.
What is an igneous rock?
The idea that the geological processes that we see today (slow erosion, deposition, and weathering) is what is primarily responsible for Earth's landforms today.
This theory states that Earth's plates have moved slowly over time, and are responsible for Earth's changing surface.
What is the Theory of Plate Tectonics?
This is the name of the first mission to land astronauts on the moon.
What is Apollo 11?
Scientists believe this layer of Earth is composed of a very hot solid ball of iron and other metals.
What is the inner core?
This type of rock forms when pressure and heat cause chemical changes to occur to rocks, transforming their appearance and mineral make-up.
What is a metamorphic rock?
This theory states that living things have changed over long periods of time. The geologic evidence includes extinct species in lower layers of Earth.
What is the Theory of Evolution?
What is a convergent boundary?
This is the name of the first astronaut to walk on the moon.
Who is Neil Armstrong?
This is the order of the layers of the Earth, starting with the crust to the center.
What is the Crust, Mantle, outer core, and inner core?
The most common type of these is the result of rapid burial by sediment within days after the death of an animal.
What is a fossil?
Evidence of fossilized plants is used to support the idea that this now frigid continent was once much warmer and closer to the equator.
What is Antarctica?
You may see mid-ocean ridges and rift valleys at this type of plate boundary.
What are divergent plate boundaries?
These types of planets are all small with solid, rocky surfaces. They typically have few or no moons.
What are the inner planets (terrestrial)?
As you go from the crust of the Earth to the center, these two things increase.
What are pressure and temperature (heat)?
These are the steps, in order, that cause a sedimentary rock to form.
What is erosion, deposition, compaction, and cementation?
This encompasses the entire timeline of Earth's history, and many theories (Evolution, Continental Drift, and Plate Tectonics) are supported in part by this long, old-Earth perspective.
What is the Geologic Time Scale?
At this type of boundary, you may see frequent shallow Earthquakes. Scientists still can't predict exactly where they will occur.
What is a transform boundary?
These types of planets are all large with many moons. They typically are less dense, being made of gasses or frozen liquids.
What are the outer planets (gas giants)?