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Groundwater Definition

Groundwater is water beneath the surface of the ground. For example, it collects in aquifers and flows to streams.

View Lesson on Water Cycle (6-8 Version)
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Water Cycle (6-8 Version)

Fun Facts

  • Groundwater flows from higher areas to lower ones due to gravity.
  • People have relied on groundwater for thousands of years as a source of drinking water.
  • Groundwater has a strong influence on river and wetland habitats for plants and animals.

Why Do We Need To Know About Groundwater

Learning about groundwater helps us see how important it is for life, farming, drinking, and helping plants grow. It’s a main source of water we use every day and is key to keeping the environment healthy.

Knowing about groundwater can lead to jobs like being a hydrologist, who checks if our drinking water is clean and keeps an eye on water in nature. This work is important for keeping the environment safe, making sure people are healthy, and protecting all kinds of plants and animals. It shows how useful it is to know about groundwater in different jobs.

Frequently Asked Questions

How does heat from the Sun turn liquid water into a gas called water vapor?
The energy from the Sun increases the energy of the water molecules when they are heated. This causes the water molecules to vibrate or move faster until some of them escape to become water vapor.
Explain how energy from the Sun drives the water cycle.
The Sun’s energy evaporates water into the atmosphere from all types of sources, including bodies of water, plants, and animals. This water eventually falls back to Earth and moves along Earth’s surface until it is evaporated again by the Sun. The energy from the Sun is a driving force that gets the water cycling in and out of the atmosphere.
How do plants contribute to the water cycle?
Water travels from the soil, through the plant, and then evaporates from the leaves into the atmosphere.
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