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, groundwater, and water vapor in the atmosphere.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What is evaporation?

Back

Evaporation is the process by which water changes from a liquid to a gas (water vapor) due to heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is condensation?

Back

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

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is precipitation?

Back

Precipitation is any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Front

What is the hydrologic cycle?

Back

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

Tags

NGSS.MS-ESS2-4

Front

What is a reservoir?

Back

A reservoir is a large natural or artificial lake used to store water for human use, such as drinking, irrigation, and hydroelectric power.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What is groundwater?

Back

Groundwater is water that is stored beneath the Earth's surface in soil and rock layers, which can be accessed through wells.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Front

What is the role of the sun in the hydrologic cycle?

Back

The sun provides the energy needed for evaporation, driving the hydrologic cycle by transforming liquid water into vapor.

Tags

NGSS.MS-ESS2-4

Front

What is transpiration?

Back

Transpiration is the process by which water is absorbed by plants from the soil and then released as water vapor into the atmosphere.

Tags

NGSS.MS-LS2-1

Front

What is runoff?

Back

Runoff is the flow of water, from rain or melting snow, that moves across the land and eventually returns to rivers, lakes, and oceans.

Tags

NGSS.MS-ESS2-4