Front

What is the water cycle?

Back

The water cycle is the continuous process by which water moves through the environment, including evaporation, condensation, precipitation, and runoff.

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What is groundwater?

Back

Groundwater is water that is stored beneath the Earth's surface in soil and rock formations, making up a significant portion of the Earth's freshwater supply.

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What is surface water?

Back

Surface water refers to water that collects on the surface of the ground, including rivers, lakes, and wetlands.

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What is oil contamination?

Back

Oil contamination occurs when oil spills or leaks pollute water bodies, harming aquatic life and ecosystems.

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What is percolation?

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Percolation is the process by which water moves downward through soil and rock layers, filtering and replenishing groundwater.

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What are wetlands?

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Wetlands are areas where water covers the soil, either permanently or seasonally, and they play a crucial role in water filtration and habitat provision.

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What is runoff?

Back

Runoff is the flow of water, usually from precipitation, that moves across the land and returns to bodies of water, recharging lakes and streams.

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What percentage of Earth's freshwater is groundwater?

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Approximately 30% of Earth's freshwater is stored as groundwater.

Front

What is the role of the atmosphere in the water cycle?

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The atmosphere plays a key role in the water cycle by facilitating evaporation and condensation, leading to precipitation.

Front

What is the difference between renewable and non-renewable water resources?

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Renewable water resources can be replenished naturally, such as rivers and lakes, while non-renewable resources, like fossil aquifers, are finite.