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geology
geology terms
18
Science
4th Grade
02/17/2008

Additional Science Flashcards

 


 

Cards

Term
Earth is made up of 3 layers. They are -----, ------, and ----.
Definition
Crust, mantle, and core
Term
The ----- is the layer that we live on. It includes the bottom of the ocean floor and the 7 continents.
Definition
Crust
Term
The thickest layer of the planet located just below the crust is the ------.
Definition
Mantle
Term
The ---- is located deep inside Earth.
Definition
core
Term
The core can be divided into the ---- core and the ----- core.
Definition
Inner, outer
Term
Earth's crust is constantly canging. Some events which cause Earth's crust to change ------ are erosion, coastal land loss, and weathering.
Definition
slowly
Term
Earthquakes, volcanoes, hurricanes, floods, tsunamis, and mudslides are some event which change Earth's crust -------.
Definition
suddenly
Term
The process where rocks are worn into smaller pieces is called ---------.
Definition
Weathering
Term
----- is a combination of weathering and the movement of weathered material.
Definition
erosion
Term
Weathered material is deposited into layers by --------, -------, and ---------.
Definition
blank, blank, and rock
Term
The weathered material is called -------.
Definition
sediment
Term
As time passes, these layers of sediment are compressed, or packed, and heat helps them ot form -----.
Definition
rocks
Term
The rocks formed brom sediment is called -----------.
Definition
Sedimentary rock
Term
-------- rock contains smaller pieces of rock or fossils.
Definition
Sediment
Term
Rocks and soils are composed of many -----------.
Definition
minerals
Term
A -------- is a chunk of Earth's hard crust made of one or more minerals.
Definition
rock
Term
Rocks are classified into three main groups: ---------, ---------------, and ----------.
Definition
Igneous, sedimentary, and metamorphic
Term
Below Earth's surface, extreme heat and pressure can change rocks from one kind of rock to another. The continuous changing of rocks from one dind to another is called the ----- --------.
Definition
rock cycle
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