Water Cycle and Freshwater Sources

The video explains Earth's water distribution, highlighting that most of it is salty ocean water, with only a small portion being freshwater. Freshwater is crucial for life and is found in streams, rivers, ponds, and lakes. The video follows a water drop's journey from a glacier, through various freshwater bodies, and finally to the ocean, illustrating the water cycle and the interconnectedness of Earth's freshwater system.

What percentage of Earth's surface is covered by water?

• Half

• One-quarter

• Three-quarters

• All of it

Why can't humans, animals, and plants survive on ocean water?

• It's too cold

• It's salty

• It's too deep

• It's polluted

Where is most of Earth's fresh water found?

• In rivers

• In lakes

• In oceans

• In glaciers

Which of the following is a source of fresh water?

• Deserts

• Streams

• Mountains

• Oceans

What happens to a water drop when the ice cap melts?

• It stays in place

• It freezes again

• It flows downhill

• It evaporates

What is a lake?

• A large body of salt water

• A flowing body of water

• A large body of fresh water surrounded by land

• A small stream

Where does the water drop end its journey?

• In a glacier

• In a lake

• In a river

• In the ocean