Vocabulary 1
What is a Transform boundary
the 3 types of rocks
What are metamorphic, igneous, and sedimentary?
states that mass can not be created or destroyed.
Law of conservation of mass?
orders a pair or group of fossils or rocks by comparing them to each others age
What is relative dating?
point in the earth that an earthquake starts
What is the focus?
Type of boundary that comes together
What is a Convergent Boundary.
Occurs when heat and pressure are applied to rocks.
What is metamorphic rock?
states that older rock layers are found under younger rock layers
What is law of superposition.
Gives a true age of a fossil or range of time that a fossil could of been made
What is absolute dating?
point directly above the focus on the surface.
What is the epicenter?
Type of boundary that plates move away from each other at.
What is Divergent boundary.
Occurs when rocks are melted and then allowed to cool and harden.
What is igneous rock?
states that intrusive rock layers have to be younger than layers that they are running through.
What is law of crosscutting?
preserved remnant of an organism
What is a fossil?
recording of seismic waves recorded by a seismograph
What is a seismogram.
Type of boundary where volcanoes, mountains, and trenches are formed.
What is convergent boundary?
Occurs after weathering and erosion make sediments then the sediments are compacted and cemented together.
What are sedimentary rocks?
states matter can not be created or destroyed
What is the law of conservation of matter?
What are trace fossils?
number of seismograph stations it takes to find the epicenter of an earthquake
What is three?
Type of boundary where volcanoes, mid ocean ridges, and sea floor spreading occurs.
What is divergent boundaries?
Occurs when magma cools slowly underground, can form large crystals.
What is intrusive igneous rock?
states that energy can not be created or destroyed.
What is the law of conservation of energy?
after _________ half lives there is 1/4 of the original isotope left.
What are 2 half lives?
can be caused by ice, wind, and water.
What is weathering?