Cuestionario sobre el ciclo del agua

What is the hydrosphere?

• The part of the Earth covered by water

• The solid part of the Earth

• The layer of gases surrounding the Earth

• The part of the Earth covered by land

What percentage of the Earth's water is salt water?

• 70%

• 97%

• 50%

• 3%

Which of the following is a source of fresh water?

• Oceans

• Glaciers

• Saline lakes

• Seas

What is an aquifer?

• A river that flows into the ocean

• A large body of saltwater

• A layer of rock that stores groundwater

• The evaporation of water from plants

What is the process in the water cycle where water turns into vapor?

• Precipitation

• Condensation

• Evaporation

• Collection

What do we call a river that flows into a larger river?

• Meander

• Tributary

• Delta

• Source

In which stage of a river's course do we typically find meanders?

• Upper course

• Middle course

• Lower course

• Source of the river

What is a meander?

• A straight section of a river

• A pronounced curve or bend in a river

• A small lake formed by a river

• A waterfall in the upper course of the river

What is the main difference between the upper course and the lower course of a river?

• The upper course is flatter, while the lower course is steeper

• The lower course has more waterfalls than the upper course

• The upper course has more erosion, while the lower course deposits more sediment

• The lower course is faster than the upper course

Where does a river usually begin?

• At its delta

• At its source in the mountains

• In a meander

• Where two tributaries meet