DCAF #3 Review

Front

What is the hydrosphere?

Back

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet, including oceans, rivers, lakes, and water vapor in the atmosphere.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding a planet, held in place by gravity, which is essential for life and influences weather and climate.

Front

What is evaporation?

Back

Evaporation is the process by which water changes from a liquid to a gas, often occurring when water is heated.

Front

What is the main source of freshwater on Earth?

Back

Most freshwater on Earth comes from glaciers and ice caps.

Front

How do plants interact with the atmosphere?

Back

Plants interact with the atmosphere by taking in carbon dioxide and releasing oxygen during photosynthesis.

Front

What is a model in science?

Back

A model in science is a representation of an object, system, or concept that helps to explain or predict how it works.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth, including processes like evaporation, condensation, and precipitation.

Front

What is condensation?

Back

Condensation is the process by which water vapor in the air cools and changes back into liquid water, forming clouds.

Front

What is the significance of carbon dioxide for plants?

Back

Carbon dioxide is essential for plants as it is used in photosynthesis to produce glucose and oxygen.

Front

What is the role of glaciers in the water cycle?

Back

Glaciers store a significant amount of Earth's freshwater and release it slowly through melting, contributing to rivers and lakes.