Understanding the Water Cycle

What is the water cycle?

• The water cycle is the process of water being stored underground.

• The water cycle is the method of purifying water through filtration.

• The water cycle is the process of water circulating between the Earth's surface and the atmosphere through evaporation, condensation, and precipitation.

• The water cycle refers to the movement of water only in rivers and lakes.

Why is water important for living beings?

• Water is only necessary for aquatic animals.

• Water is a source of energy for living beings.

• Water is primarily used for building structures.

• Water is crucial for hydration, nutrient transport, temperature regulation, and metabolic processes in living beings.

What happens to water when it is heated by the sun?

• Water cools down and freezes when heated by the sun.

• Water turns into ice when exposed to sunlight.

• Water becomes denser and sinks when heated by the sun.

• Water absorbs heat and can evaporate when heated by the sun.

What is the process called when water turns into vapor?

• Transpiration

• Precipitation

• Condensation

• Evaporation

What forms do clouds take?

• Cirrostratus

• Cirrus, cumulus, stratus, and nimbus.

• Stratocumulus

• Altostratus

What happens during the process of condensation?

• Condensation occurs when ice melts into water.

• Condensation is when liquid water evaporates into vapor.

• Condensation is the process of water turning into steam.

• Condensation is the process where water vapor turns into liquid water.

What causes rain or snow to fall from clouds?

• Snow forms when clouds are too cold to hold water vapor.

• Rain is caused by the sun heating the clouds.

• Rain or snow falls from clouds due to the condensation of water vapor into droplets or ice crystals that become heavy enough to fall.

• Clouds are made of ice that falls to the ground.

What is the term for water falling back to the Earth?

• Precipitation

• Transpiration

• Evaporation

• Condensation

Where does water go after it falls to the ground?

• Water can infiltrate into the soil, evaporate, flow into bodies of water, or cause surface runoff.

• Water turns into ice immediately.

• Water is absorbed by plants only.

• Water disappears into the air completely.

How long has the water on Earth been around?

• Since the formation of the Moon

• Approximately 4.4 billion years.

• About 2 billion years

• Only a few million years ago