Front

What is a river?

Back

A river is a large, flowing body of water that usually empties into an ocean, lake, or another river.

Front

What is an ocean?

Back

An ocean is the largest body of salt water that covers most of the Earth's surface.

Front

What is a lake?

Back

A lake is a large body of fresh or salt water surrounded by land.

Front

What is a pond?

Back

A pond is a small body of still water, smaller than a lake.

Front

What is fresh water?

Back

Fresh water is water that has low concentrations of salt, found in rivers, lakes, and ponds.

Front

What is salt water?

Back

Salt water is water that contains a high concentration of salt, found in oceans.

Front

How does water in a lake look?

Back

Water in a lake is usually calm and still.

Front

What is the difference between a river and a stream?

Back

A river is larger and flows faster than a stream.

Front

What is a delta?

Back

A delta is a landform created where a river meets a body of water, often forming a triangle shape.

Front

What is a tributary?

Back

A tributary is a smaller river or stream that flows into a larger river.