Social Studies Land and Water

A delta is an area where sand, silt, clay, or gravel is deposited at the mouth of a river.

Water falls back to Earth’s surface as rain, hail, or snow.

A flat landform that rises above the surrounding land

The worlds four huge oceans are all connected to form one enormous global ocean.

The water on Earth’s surface is mainly freshwater.

The largest of all landmasses that can be bordered by land and water or completely surrounded by water

Most rivers begin at an ocean or lake and flow toward higher ground.

Water vapor rises, gathers into clouds, and transforms into denser liquid or solid state.

A flat or gently rolling landform that can be found inland or along a coastline

Plants and animals can’t live in salt water.

A long, narrow, steep-sided cut in the ground or the ocean floor

A long, narrow landform that extends into a river, lake, or ocean

Desalination is a process that makes salt water safe to drink.

A lowland area between two higher sides

A smaller landmass that is completely surrounded by water

A gulf is a larger area of ocean waters surrounded by continents and islands.

Groundwater contained inside Earth’s crust is an important source of drinking water.

Most freshwater on earth is found in lakes, rivers, ponds, swamps, marshes, and underground.

A string of mountains on land or on the ocean floor

A coastal area where ocean water is completely surrounded by land is called a bay.

A narrow strip of land connecting two larger land area

Heat energy from the sun causes liquid water to change into water vapor and become part of the atmosphere.

An underwater plain that borders a continent