rocks and Minerals
Rocks & Minerals 2
Vocab 1
Vocab 2
Words you should know
100
Two major types of weathering
What are mechanical and chemical?
100
Looks like it was made of metal
What is metallic luster?
100
the capacity for abundant nutrients
What is fertility?
100
measures the acidity of a solution.
What is pH?
100
the tendency of a mineral to break along flat surfaces
What is cleavage?
200
A mixture of weathered rock, organic matter, mineral fragments, water and air
What is soil?
200
Igneous, Sedimentary, and Metamorphic
What are the 3 types of rocks?
200
forms when molten rock cools and becomes solid
What are igneous rocks?
200
something that comes from living organisms
What is organic material?
200
the tendency of a mineral to break into irregular pieces
What is fracture?
300
technique where farmers plow using a curve with the land instead of straight rows
What is conservation plowing?
300
Top layer, called topsoil, may be covered with litter, and is usually the darkest layer
What is Horizon A
300
the set of natural, repeating processes that form, change, break down, and re-form rocks
What is the rock cycle?
300
You can see these rocks at the Earth's surface
What extrusive igneous rocks?
300
This device measures earthquakes.
What is a seismograph?
400
Silicates, carbonates, and oxides
What are common minerals?
400
the breakdown or decomposition of rock that takes place when minerals change through chemical processes
What is chemical weathering?
400
the practice of plowing along the curves, or contours, of a slope
What is contour plowing?
400
Many different layers of soil
What is soil profile?
400
rock that forms as molten rock cools and becomes solid
What is an igneous rock?
500
the practice of planting different crops on the same field in different years or growing seasons
What is crop rotation?
500
Each invididual layer alone
What is a horizon?
500
Leaves, twigs, and other organic material that change to humus when exposed to decomposing organisms
What is litter?
500
These rocks are formed when loose materials get pressed or cemented together
What are sedimentary rocks?
500
a naturally formed solid that is usually made up of one or more types of minerals
What are rocks?
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