Water, Water Everywhere Crash Course

Front

What is the nerpa?

Back

The nerpa is a species of freshwater seal found in Lake Baikal, Russia.

Front

What does the largest dot in a water distribution image represent?

Back

The largest dot represents all of the water on Earth.

Front

If all of Earth's water was in a gallon jug, how much freshwater would it equal?

Back

It would equal a single teaspoon.

Front

How does the Addax antelope adapt to a lack of water?

Back

The Addax antelope changes the color of its hair.

Front

What does the middle-sized dot in a water distribution image represent?

Back

The middle-sized dot represents all of the liquid fresh water on Earth.

Front

What percentage of Earth's water is freshwater?

Back

Only about 2.5% of Earth's water is freshwater.

Front

What is the primary source of freshwater on Earth?

Back

The primary source of freshwater is glaciers and ice caps.

Front

What is the difference between saltwater and freshwater?

Back

Saltwater contains a high concentration of salt, while freshwater has a low concentration of salt.

Front

What is the importance of freshwater ecosystems?

Back

Freshwater ecosystems provide habitat for many species, support biodiversity, and are crucial for human survival.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.