The Water Cycle
Have you ever wondered how water moves around our planet? It’s all thanks to the water cycle! The water cycle is a special process that moves water from the earth to the sky and back again.
It all starts with the sun. The sun heats up the water in oceans, lakes, and rivers. When the water gets warm enough, it turns into water vapor. This part of the cycle is called evaporation. Imagine steam coming off a hot cup of cocoa—that’s a bit like evaporation!
Next, the water vapor floats up into the sky. As it rises, it cools down and turns into tiny water droplets. These droplets gather together to form clouds. This step is called condensation. Think of it like tiny drops of water on the outside of a cold glass of lemonade on a hot day.
The clouds get heavier and darker as more and more droplets join in. Eventually, they can’t hold all that water anymore, so the droplets fall back to the earth as rain, snow, or hail. This is called precipitation. It’s like when you squeeze a sponge full of water and it drips out.
Once the water hits the ground, it has to find its way back to the oceans, lakes, and rivers. Some of it will soak into the soil, helping plants grow. Some will run off the land into streams and rivers. This movement is called collection. Eventually, the water will return to the oceans, lakes, and rivers, ready to start the cycle all over again.
So, the next time you see rain falling or a river flowing, you’ll know it’s all part of the amazing water cycle!
some Vocabularies from the passage
The continuous process by which water moves from the earth to the sky and back again.
The star at the center of our solar system, providing heat and light to the earth.
- The third planet from the sun in our solar system, home to humans and other life forms.
- Having or giving out a moderate degree of heat.
- Â
- Very small in size.
- Â
- To come into contact or union with.
- Â
- Of greater weight.
- Having less light or color, more like black.
- In the end, especially after a long delay.
- To move downward, typically rapidly and freely without control.
- To become cooler or less hot.
- Small drops of liquid.
- Visible masses of condensed water vapor floating in the atmosphere.
- The process by which water vapor cools down and turns into liquid droplets.
- Any form of water, such as rain, snow, or hail, that falls from the sky.
- Water droplets that fall from clouds to the earth.
- Precipitation falling from clouds in the form of ice crystals.
- Pellets of frozen rain that fall in showers from cumulonimbus clouds.
- A porous material that can absorb and hold liquid.
- To absorb liquid through or as if through pores.
The process where water changes from a liquid to a gas or vapor, usually due to heat from the sun.
Describes how precipitated water gathers into bodies of water like lakes, oceans, and rivers.
Part of precipitation that flows over land surfaces into bodies of water.
When some of the water seeps into the ground to become groundwater.
Evaporation from plants.
Movement of infiltrated water through soil layers underground.
- Small, narrow rivers.
- Living organisms that typically grow in soil and absorb water and nutrients.
A series of events that are regularly repeated in the same order.
- The top layer of the earth in which plants grow.
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