Vocabulary
How do Rocks Form?
What are Minerals?
Why is Soil Important?
100
A natural material that forms from nonliving matter
What is mineral?
100
This rock forms in layers – one layer at a time.
What is sedimentary rock?
100
Mineral found in some toothpaste.
What is fluorite?
100
A mixture of sand, silt, and clay
What is loam?
200
The thin layer of loose material that covers most of Earth’s land.
What is soil?
200
Rock that has been changed by heat, pressure, or both.
What is metamorphic rock?
200
This mineral helps form skin and other tissues.
What is copper?
200
Thing plants need in order to grow.
What are nutrients?
300
A natural, solid, nonliving, material made of one or more minerals.
What is rock?
300
The type of rock shown on the attached sheet image 1.
What is sedimentary rock?
300
This mineral is crushed and ground into table salt.
What is halite?
300
The process of breaking down the remains of plants and animals.
What is decay?
400
This rock forms from a red-hot mixture of melted minerals and gases.
What is igneous rock?
400
This physical property is determined by the size of the bits of minerals that make up the rock.
What is texture?
400
Two properties used to identify a mineral.
What are color, luster, streak, and hardness?
400
The smallest particles found in soil.
What is clay?
500
Look at Image 2 on the attached page. The layer where the oldest fossils are found.
What is layer F?
500
Layer of soil that includes rock particles mixed with the dark products of decay.
What is topsoil?
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