Hydrosphere

High school (ages 12+)
Environment & Earth

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/hydrosphere

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How big is Hydrosphere?Oceans cover about 361 million square kilometers, representing 71% of Earth's surface
2. What is the total water volume estimate?Approximately 1.386 billion cubic kilometers of water on Earth
3. What is the freshwater proportion?Freshwater comprises only 2.5% of Earth's total water volume
4. How much water is in the hydrosphere?It contains about 1.386 billion cubic kilometers of water.
5. Where did the water in the hydrosphere come from?Water was there from the early stages of Earth’s formation, possibly brought by comets and asteroids or released from inside the planet.

Tectonic Plates: Massive, irregularly shaped slabs of solid rock that make up the Earth's lithosphere.
Hydrological Cycle: The continuous circulation of water within the Earth's atmosphere, land, and oceans.
Groundwater: Water held underground in the soil and porous rocks.