Slow Changes to Earth (pictures)

Front

canyon

Back

a deep, narrow valley with step sides

Front

delta

Back

a landform made of sediment deposited by a river

Front

erosion

Back

the process in which particles are broken away and removed from land

Front

sand dune

Back

a landform made when sand is deposited into a mound or ridge

Front

weathering

Back

the breaking down of landforms by natural forces such as water, wind, or ice

Front

deposition

Back

the process when sediments are laid down