science Flashcards
studing
a mixture of weathered rock, rock fragments, decayed organic matter, water and air is call what?
soil
remains of something that was once alive is what?
organic matter
small holes and spaces in soil is what?
pores
the breaking down of dead organisms and organic waste is called what?
decomposition
the starting material of soil consisting of rock or sediment that is susceptible to weathering is what?
parent material
the long-term average weather conditions that occur in a particular region is called what?
climate
the shape and steepness of the landscape is called what?
topography
the organisms that live in a region are called what?
biota
layers of soil formed from the movement of the products of weathering is called what?
horizon
the mechanical and chemical processes that change earth’s surface over time
weathering
physical processes that naturally breaks rocks into smaller pieces
mechanical weathering
processes that changes the composition of rock and other minerals due to exposure to the environment
chemical weathering
the processes that combines the element oxygen with other elements or molecules
oxidation
