Show:
Minerals
Rocks
Rocks 2
Erosion
Soil
100
Naturally occurring cystalline, inorganic substances with unique chemical and physical properties
What is a mineral?
100
formed from one specific mineral
What is a monomineralic rock?
100
Texture, color, density, and mineral composition
How are igneous rocks identified?
100
Breakdown of rocks into smaller particles
What is weathering?
100
Complex arrangement of minerals and organix materials.
What is soil?
200
Oxygen and Silicon = Silicates
What are the two elements that make up most minerals?
200
Formed from more than one mineral
What is a polymineralic rock?
200
Formed from the accumulation of sediments
What is a sedimentary rock?
200
abrasion exfoliation
What is ONE physical property of erosion/weathering?
200
the optimum amount of moisture in soil. (50:50)
What is field capacity
300
46% Oxygen 28% Silicon
What percantage of the Earth's crust is made up of Oxygen and Silicon?
300
Basis of their origin and formation
How are rocks classified on Earth?
300
clastic and crystalline
What are two textures that can be used to classify sedimentary rocks?
300
Oxidation carbonation hydration
What are THREE chemical properties of erosion/weathering?
300
45% minerals 25% air 25% water 5% organic matter
What are the four components of soil?
400
The ability to resist being scratched. (Mohs scale)
What is hardness?
400
Formed from cooling and solidification of molten rock.
What is an igneious rock?
400
Preexisting rocks that undergo change as a result of exposure to intense heat and pressure
What is a metamorphic rock?
400
Process of transporting sediments from their place of irigin and depositing them elsewhere
What is erosion?
400
Converts atomospheric Nitrogen into plant-available forms like Nitrates
What is Nitrogen-Fixing Bacteria?
500
color, luster, streak, hardness, cleavage, crystalline structure, specific gravity, chemical tests, and specific properties
What are the NINE tests used to idetnify minerals?
500
When magma cools to form igneous rocks beneath earths surface
What is an intrustive rock?
500
When lava cools on Earth's surface to form rocks.
What is an extrusive rock?
500
Water, wind/air, mass wasting
What are the three agents of erosion?
500
well-structured soil for crop growth
What is loam?