Definitions of Rocks
The process that rocks change from one form to another
The process of breaking down rocks/ the process that cause rocks to break into smaller pieces or change through chemical activity
Weathering
Mechanical weathering that occurs when rocks rub against eachother
What is abrasion?
The stronger acid solution due to chemicals from pollution
What is acid rain?
layers of soil
What are horizons?
The three categories that rocks are classified in
What are sedimentary, igneous, and metamorphic rocks?
Breaks rocks into smaller and smaller pieces
What is Mechanical Weathering?
when sheets of rock peel away like layers of an onion
What is exfoliation?
An acid that gradually wears away limestone on gravestones
What is carbonic acid?
decayed organic material found in soil
What is humus?
Forms when sediment and the remains of tiny living things settle and harden
What is sedimentary rock?
Transforms rocks into new substances
What is chemical weathering?
When water gets underneath a rock
What is frost heaving?
What are lichens?
the largest kind of particle in soil
What is sand?
Forms below Earth's crust by great heat and pressure
What is metamorphic rock?
What is soil?
creates cracks and breaks in rocks
What is Pressure release?
When garden tools have been destroyed by rust
What is oxidation?
small particles of weathered rocks and minerals
what is sediment?
Forms when magma cools either below or above Earth’s surface
What is igneous rock?
What is erosion?
another name for mechanical weathering
What is physical weathering?
changes rock into a new substance
What is chemical weathering?
the amount of each kind of particle in a soil sample
What is texture?