Distribution of Earth's Water

Play an AI-generated podcast conversation about this lesson

What is the main substance of concern in meteorology when discussing evaporation?

Nitrogen

Carbon dioxide

Water (correct)

Oxygen

What is the purpose of evaporation when the body sweats?

To accelerate perspiration

To increase body temperature

To remove heat from the body (correct)

To induce shivering

Where does transpiration mainly occur in plants?

Through flowers

Through stomata on the underside of leaves (correct)

Through seeds

Through roots

What happens to the impurities or salts as water evaporates from a lake?

They are left behind, making the lake salty. Signup and view all the answers

How much of the water passing through a plant is typically utilized in its growth process?

1% Signup and view all the answers

Which of the following is NOT a process involved in the hydrologic cycle?

Sublimation Signup and view all the answers

How does the hydrologic cycle restart after water evaporates into the atmosphere?

Water condenses into clouds. Signup and view all the answers

What makes water an excellent solvent?

Its ability to dissolve many polar and ionic substances. Signup and view all the answers

What is required for evaporation to take place?

Energy Signup and view all the answers

Why does water help regulate the environment's temperature effectively?

Because it has a high heat of vaporization. Signup and view all the answers

What is the primary reason for humans and other animals using water's high heat of vaporization?

To cool off. Signup and view all the answers

Why does water have a bent overall structure?

Because oxygen is more electronegative than hydrogen. Signup and view all the answers

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

71% Signup and view all the answers

Where is the majority of Earth's water found?

In glaciers and icecaps Signup and view all the answers

What percentage of Earth's freshwater is locked up in ice and in the ground?

65.5% Signup and view all the answers

What makes up the smallest portion of surface freshwater?

Rivers Signup and view all the answers

Where do humans get a large portion of their water from?

Rivers Signup and view all the answers

What describes the hydrologic cycle?

Continuous circulation of water in the Earth-Atmosphere system Signup and view all the answers