The Water Cycle

Water Cycle: Earth's Natural Recycling System

The water cycle is the process that moves water around our planet. It is like nature’s giant washing machine—water keeps going around and around, getting cleaned and reused for billions of years!

The first stage is evaporation. The sun heats water in oceans, lakes, and rivers. The water changes from a liquid into an invisible gas called water vapor. This vapor rises into the air.

Next comes condensation. As the water vapor goes higher, it cools down. The vapor changes back into tiny droplets of water. These droplets group together to form clouds in the sky.

The third stage is precipitation. Sometimes, the droplets in clouds get too heavy. They fall back to Earth as rain, snow, sleet, or hail. This is called precipitation.

After precipitation, water goes to the collection stage. Water gathers in oceans, rivers, lakes, and even underground in places called aquifers. Some water runs over the ground as runoff, moving into streams and rivers.

Plants also help with the water cycle. Through a process called transpiration, they release water vapor from their leaves into the air. Forests and plants are like nature’s lungs, breathing water into the sky!

The sun is the main power source for the water cycle. Its heat makes evaporation happen and keeps the cycle moving.

The water cycle is important because it provides fresh water for drinking, farming, and all life. It also helps clean and filter water naturally, and it affects our weather and climate.

Interesting Fact: A single water molecule might spend 3,000 years in the ocean, then 9 days in the air, and even 100 years in a glacier—same molecule, endless journey!