Going Low
A deep valley with steep sides formed by rivers
Canyon
Process of binding and hardening of sediments into hard rock.
Cementation
A flat topped hill with steep sides
Mesa
Land formed at the mouth of a river by deposited sediment.
Delta
The remains or imprint of a once living organism
Fossil
A narrow valley between CLIFFS
Gorge
Sediment is deposited into a new location.
Deposition
A high flat area of land
Plateau
A large slow moving sheet of ice
Glacier
Fuels formed from ancient organisms over millions of years.
Fossil fuels
A small deep narrow valley
Ravine
Movement of weathered material by wind, water, and ice.
Erosion
Wearing away of rock by friction
Abrasion
a natural physical structure on earth
To rot or break down naturally
Decay
A low area between hills or mountains
Valley
Process of Breaking down rocks into smaller pieces.
Weathering
Rock formed when sediments are compacted and cemented
Sedimentary rock
a natural rock formation shaped like an arch formed by wind
rock arch
The process of breaking down dead things
Decomposition
Water freezes in cracks and breaks rocks apart
Ice Wedging
Pressure from rocks and soil reduces size or volume of sediments
Compaction
Small pieces of rock and other material
Sediment
a hill of sand formed by wind
sand dune
oil found underground used for fuel
petroleum