soil
Which layer of soil holds the most water
Topsoil
How are igneous rocks formed
Cooled lava or magma
How are sedimentary rocks formed
Compaction and cementation
How are metamorphic rocks formed
The chemical & physical change of rocks due to heat and pressure
What is the start of every rock cycle
Magma or lava
What are the four main layers of soil
In order, it goes
organic material
topsoil
parent material
bedrock
Which type of igneous rock has large crystals
Intrusive igneous rocks
What is the most common sedimentary rock in Ohio
Limestone
What does Meta mean
What does morph mean
Meta = Transcending
Morph = The change of one object to another
How do igneous rocks change into sedimentary rocks
In order
Weathering-Deposition-compaction & cementation
What layer has no living things
Bedrock
What type of igneous rock is formed at the Earth's surface
extrusive
How long does it take for sedimentary rocks to form
Millions of years
What rocks do metamorphic rocks most commonly start out as
Sedimentary rocks
What is the most common rock
Sedimentary
How long does it take for one inch of topsoil to form
500 minimum years
What else in space, man has explored, that is made of igneous rocks
The moon
What is Limestone often made from
Fossilized ocean life that died millions of years ago
Where in the earth do most metamorphic rocks form
Tectonic plates
What happens when rocks get exposed to air
Wind and rain erode the rocks
How many different types of soil are there in the U.S.
70,000
What percent of the earth is igneous rock
95%
What Sedimentary rock contains round river rocks surrounded by hardened sand or another type of sediment
Conglomerate (Mrs. Tamillo's favorite)
What is Marble made from
Limestone or chalk
Most liquid rock that makes it to the surface is generally what
The least dense magma in the area