The only planet that has a biosphere
Earth
A plate boundary where two plates move toward each other
Convergent Boundary
The hottest layer of the Earth
The Inner Core
Magma cools and forms this type of Rock
Intrusive Igneous Rock
Preserved remains or traces of organism that lived in the past
fossils
a long, narrow groove that forms where water, lava, or other liquid flows
channel
The theory that pieces of Earth's lithosphere are in constant motion.
Plate Tectonics
Two metals that make up the Inner and Outer Core.
Iron and Nickel
This rock type is made from other rocks.
Metamorphic Rock
Robotic Vehicle sent to Mars to explore
Mars Rover
The portion of earth that includes water in any of its forms, including oceans, glaciers, rivers and vapor
Hydrosphere
Name of a single land mass that began to break apart 200 million years ago and gave rise to today's continents.
Pangaea
The Outer layer of the Earth is made out of this.
Hard Solid Rock
A series of processes on the surface and inside earth that slowely changes rocks from one kind to another
Rock Cycle
These are the four Rocky Planets
Mercury, Venus, Earth, Mars
Two factors that make a planet habitable
Liquid Water and Source of Energy
A deep vally along the ocean floor beneath which oceanic crust slowly sinks toward the mantle
ocean trench
The process where hot rocks rise, cool down, sink, and then heat up again in the asthenosphere.
Convection Currents
Igneous Rock formation in Wyoming which came from an indigenous name "Bear's Lodge". Surrounding rocks are sedimentary rocks that weathered away.
Devil's Tower
Large plant-eating dinosaurs roamed the Earth during this Period
Jurassic Period
Dome-shaped landforms on Venus that have cracks reaching out from their centers.
Novae
The process by which magma adds new oceanic crust to the ocean floor
Seafloor Spreading
There are the four layers of the Earth from top to bottom
Crust-Mantle-Outer Core-Inner Core
A dark dense ignrous rock with fine texture, found in the oceanic crust
basalt
A major belt of Volcanoes that covers the Pacific Ocean
Ring of Fire