Front

What is a waterfall?

Back

A waterfall is a place where water flows over a vertical drop or cliff.

Front

What is a river?

Back

A river is a large, flowing body of fresh water that usually empties into a sea or ocean.

Front

What is a lake?

Back

A lake is a large area of water surrounded by land.

Front

What is an ocean?

Back

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

Front

What is a stream?

Back

A stream is a small, flowing body of water that is smaller than a river.

Front

What is salt water?

Back

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

Front

What is fresh water?

Back

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

Front

What is a canal?

Back

A canal is a man-made waterway used for navigation or irrigation.

Front

What is a pond?

Back

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

Front

What is a delta?

Back

A delta is a landform created by the deposition of sediment at the mouth of a river.