Podcast
Questions and Answers
Where does the water that forms rain come from?
Where does the water that forms rain come from?
The water that forms rain comes from the process of evaporation, where water changes from a liquid to a gas and rises into the atmosphere.
Where does fog come from?
Where does fog come from?
Fog is formed when water vapor in the air condenses into tiny water droplets near the Earth's surface.
What is the water cycle also known as?
What is the water cycle also known as?
The water cycle is also known as the hydrologic cycle.
How does water move around the Earth?
How does water move around the Earth?
Has someone ever told you that the water falling as snow has always been here?
Has someone ever told you that the water falling as snow has always been here?
What is the total amount of water on Earth?
What is the total amount of water on Earth?
What is groundwater?
What is groundwater?
What is transpiration?
What is transpiration?
What is the water cycle?
What is the water cycle?
What is evaporation?
What is evaporation?
What is condensation?
What is condensation?
What is precipitation?
What is precipitation?
How does water move through the water cycle?
How does water move through the water cycle?
Is new water constantly created in the water cycle?
Is new water constantly created in the water cycle?
What percentage of the Earth's surface is water?
What percentage of the Earth's surface is water?
What percentage of the Earth's water is salt water?
What percentage of the Earth's water is salt water?
Where is most of the fresh water on Earth stored?
Where is most of the fresh water on Earth stored?
What is the process by which water is converted from its liquid state to the gaseous state?
What is the process by which water is converted from its liquid state to the gaseous state?
What is the process by which water vapor is changed back into liquid water?
What is the process by which water vapor is changed back into liquid water?
What is precipitation?
What is precipitation?
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Study Notes
The Water Cycle
- Water that forms rain, fog, and snow comes from the Earth's surface, oceans, lakes, rivers, and the ground.
Water Sources and Distribution
- The total amount of water on Earth remains constant, with no new water being created.
- 71% of the Earth's surface is water, with 97% of it being salt water.
- Only 3% of the Earth's water is freshwater, with most of it stored in glaciers and polar ice caps.
Groundwater and Transpiration
- Groundwater is water stored beneath the Earth's surface in aquifers and rock crevices.
- Transpiration is the process by which plants release water vapor into the air.
The Water Cycle Process
- Evaporation is the process by which water is converted from its liquid state to the gaseous state.
- Condensation is the process by which water vapor is changed back into liquid water.
- Precipitation is the formation of rain, snow, sleet, or hail from condensed water vapor in the atmosphere.
Water Cycle Movement
- Water moves around the Earth through the continuous process of evaporation, condensation, and precipitation.
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