6th - Science Chapter 5 Vocab Flashcards
(15 cards)
Physical processes that naturally break rocks into smaller pieces.
Mechanical Weathering
The mechanical and chemical processes that change Earth’s surface over time
Weathering
The process that changes the composition of rocks and minerals due to exposure to the environment
Chemical Weathering
The process that combines the element oxygen with other elements or molecules.
Oxidation
A mixture of weathered rock, rock fragments, decayed organic matter, water and air
Soil
Remains of something that was once alive
Organic matter
Small holes and spaces in soil
Pores
The breaking down of dead organisms and organic waste.
Decomposition
The starting material of soil consisting of rock or sediment that is subject to weathering
Parent material
The long-term average weather conditions that occur in a particular region
Climate
The shape and steepness of a landscape
Topography
All of the organisms that live in a region
Biota
Layers of soil formed from the movement of the products of weathering.
Horizon
The long term average of weather conditions that occur in a particular region
Climate
The physical,chemical, and biotic factors in a community
Environment
