Crash Course - The Basics of Fresh Water

One of the most common substances on earth. It covers 2/3 of our planet.

• Water

• Dirt

• Air

• Plants

What kind of water do we need to keep us alive?

• Freshwater

• Saltwater

• Blue water

• Green water

Oceans are full of ____ .

• Salt water

• Fresh water

Which of the follow contain freshwater?

• Lakes

• Oceans

• Rivers

About what amount of the Earth's water is salty?

• 50%

• 65%

• 78%

• 97%

About what percent of the Earth's water is fresh water?

• 50%

• 35%

• 22%

• 3%