Science Flashcards
Study
Name the 3 main types of rock
Igneous,Sedimentary,
Metamorphic.
How is Sedimentary rock made?
Compaction and sementation
How is Igneous rock made?
Cooling
How is Metamorphic rock made?
Heat and Pressure
Name all 5 layers of the atmosphere
Troposphere,Stratosphere,
Mesosphere,Thermosphere, Exosphere.
List the Layers of the atmosphere from greatest to least
Exosphere,Thermosphere,Mesosphere,Stratosphere,Troposphere
What is the theory that was made by Alfred Wegener
Continental Drift
What is the theory of Continental Drift?
The theory that the continents are moving
What were the 4 pieces of evidence that Alfred used to prove his theory?
Rocks and land forms,Glacial theory, fossil Evidence, Continental fit
What was the theory that was made up by Harry Hess?
Seafloor spreading theory
What are the 3 different types of tectonic plates?
Convergent,divergent, and transform.
What do two Convergent plates do?
They clash together; They Collide
What do two Divergent plates do?
They pull away from each other; They separate
What do two Transform plates do?
They slide against eachother
Why do continents move?
Convection currents in the mantle
What are the layers of the earth
The crust, the mantle, the outer core, and the inner core
What is the thinnest layer
The crust
What is the thickest layer
The Mantle
What is the hottest layer
The core
What are the two other layers in the crust?
The Asthenosphere, and the Lithosphere.
How is convection caused?
Cool anything sinks, hot anything rises
What is matter?
Anything that can be weighed, anything that fills space.
What are the 3 different types of matter
Liquid, Solid, Gas
