process of binding or hardening of sediments into hard rock

process by which overlying pressure from rocks and soil reduces the size or volume of sediments

the process by which dead plants and animals decay or rot

process by which weathered and eroded material is deposited by wind, water, and ice

the movement of weathered material by wind, water, or ice

facts or other information supporting a claim or proposition

fuels formed over millions of years from the remains of ancient plants and animals; coal, oil, natural gas

a physical feature on Earth's surface; canyon, delta, sand dune, glacier

a picture, idea, or object that represents an object, a system or process and is used to help with understanding; models have limitations

a living thing that grows, reproduces, responds to its environment, and can function on its own

the method by which a substance or object is formed

process by which exposed rock is broken down by rain, wind, or ice

rock that forms when sediments are compacted and cemented together

a deep, narrow valley with steep sides created by a river

A landform made of sediment that is deposited where a river flows into an ocean or lake

A hill of sand, made and shaped by wind

A large mass of moving ice and snow on land

area of low land between hills or mountains created by a glacier

A fossil fuel that forms underground from partially decomposed plant material; formed millions of years ago

A liquid fossil fuel formed from the remains of marine organisms

A fossil fuel in the gaseous state; formed on land

impression, track, remains, or other evidence of an ancient organism formed in sedimentary rocks

death of an entire species