Vocabulary
What is vapor?
Vapor is water in the form of gas.
Why are mountains important?
Mountains provide fresh water for people.
What happens when water vapor cools?
It condenses into small drops of water.
How many people get water from mountains?
About three-and-a-half billion people.
What is a glacier?
A glacier is a large mass of ice that moves slowly.
Where do many big rivers start?
Many big rivers start in mountains.
Why does rain fall from clouds?
Rain falls because water drops become too heavy.
Where did potatoes first come from?
Potatoes came from the Andes.
What does condense mean?
Condense means to change from gas into liquid.
What happens when the sun warms water?
When the sun warms water, the liquid is transformed into water vapor.
What happens when snow melts in spring?
Water flows into streams, rivers, and waterfalls.
How many types of rice are grown in Nepal mountains?
About 2,000 types of rice.
What does altitude mean?
Altitude is the height of a place above sea level.
Why are some mountain animals becoming rare?
They are becoming rare because people use land and resources.
Why do animals lose their homes?
Animals lose homes because people build farms and roads.
What are mountains sometimes called?
Mountains are called “water towers of the world.”
Why are mountain valleys good for farming?
Because they have rich soil and plenty of water.