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Pure Rock
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Miscellaneous
100
For any rock to become magma, it must do this.
What is melt?
100
Rocks are made of two or more of these.
What are minerals?
100
When a rock breaks into sediments, it has undergone this.
What is weathering?
100
When sediments are moved from one place to another, it is called this.
What is erosion?
100
This is what bedrock is.
What is the solid layer of rock beneath soil?
200
If seashells were to break into tiny pieces, they would turn into these.
What are sediments?
200
In order for metamorphic rock to form, another rock must be exposed to a lot of these two things.
What are heat and pressure?
200
This is what soil is made of.
What is a mixture of rock particles, decayed organic material, water and air?
200
This is how soil forms.
What is, rock is broken down by weathering and mixes with other materials on the surface?
200
Water is this type of weathering (mechanical or chemical).
What is chemical?
300
After being transported and deposited, for sediments to turn into sedimentary rock, they must do these two things.
What is compact and cement?
300
When magma cools inside the earth, it forms this type of igneous rock.
What is an intrusive igneous rock?
300
These are the two factors that affect the rate of weathering.
What are climate and type of rock?
300
Living organisms, such as a plant’s roots, can produce a weak acid that slowly dissolves rock This is which of the two types of weathering.
What is chemical weathering?
300
This is the type of mechanical weathering when water inside a crack can freeze and thaw repeatedly, eventually splitting a rock apart.
What is ice wedging?
400
This is the rate at which intrusive igneous rock cools, and what it looks like as a result.
What is, it cools slowly, forming large, clearly visible mineral grains (speckled, like granite)?
400
This is the rate at which extrusive igneous rock cools, and what it looks like as a result.
What is, it cools quickly, forming fine, barely visible mineral grains (solid color like obsidian)?
400
This is the type of acid that is produced when carbon dioxide mixes with rainwater in a type of chemical weathering.
What is carbonic acid?
400
This is name for the chemical reaction that occurs when oxygen comes into contact with iron in rocks.
What is oxidation?
400
This is how marble (a metamorphic rock) could make limestone (a sedimentary rock).
What is, it could weather and erode into sediments, and then compact and cement into a sedimentary rock?
500
These are the five major phases in the rock cycle.
What are sediments, sedimentary rocks, metamorphic rock, magma/lava, igneous rocks?
500
This is how shale (a sedimentary rock) could make granite (an igneous rock).
What is, shale could melt into magma or lava, then cool and harden into granite?
500
This is the type of weathering that occurs when rocks crack or flake off once the ground above them has eroded.
What is release of pressure?
500
This is the type of weathering that occurs when sand or water carrying sediments can act like sandpaper and scrape rock.
What is abrasion?
500
This is how a hot climate affects the rate of weathering.
What is, it speeds up chemical reactions, causing the rate of weathering to increase?
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