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🌎 Land and Water on Earth

Earth is a big ball of land and water. Explore the oceans and continents, climb the mountains, and follow the rivers as you discover where all the land and water on our planet can be found.

lessons

~20 min

to learn

🔬 Science

subject

Ages 6–12

level

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What you’ll learn

Our Blue PlanetUnderstand that Earth is mostly water, with seven continents and salty oceans.Earth is made of land and water. The huge pieces of land are the seven continents. More of Earth is covered by water than land, about seven parts out of ten, and most of that water is the salty oceans, which is why Earth looks blue.
The Shapes of LandName and describe landforms such as mountains, plains, islands, and valleys.Land has many shapes. Mountains are tall land that reaches high into the sky, often standing in rows called ranges. Plains are wide and flat with rich soil. Islands have water all around them, and valleys are low land between hills.
Water EverywhereDescribe rivers and lakes and tell the difference between salty and fresh water.Water is found on land as well as in the oceans. A river flows along the land, and a lake sits in a low spot with land around it. Ocean water is salty, while most rivers, lakes, and ponds hold fresh water that is not salty.

Questions this course answers

What are the seven huge pieces of land on Earth called?

The seven huge pieces of land on Earth are called continents, and each can hold many countries.

Is there more land or more water on Earth?

More of Earth is covered by water than land, about seven parts out of ten, which is why it looks blue from space.

What is true about ocean water?

Ocean water is salty, far too salty to drink, and the oceans are the biggest bodies of water on Earth.

What is a plain?

A plain is a wide, flat stretch of land with few hills, often with rich soil for farms and grasslands.

What is an island?

An island is a piece of land with water all around it on every side.

What is fresh water?

Fresh water is not salty. Most rivers, lakes, and ponds hold fresh water, while oceans are salty.

Grounded in trusted sources

National Geographic Kids
National Oceanic and Atmospheric Administration (NOAA)
United States Geological Survey (USGS)
Britannica Kids

Every Wunder lesson is built from real, reputable sources — never invented.

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