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Where Do Mountains Come From? | Geology for Kids

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Mountains are so cool to look at, and if you're lucky you might have taken a hike up a mountain, or even gone skiing down a mountain.

But these massive bits of rock didn't just come from nowhere. They were formed many, many years ago, and we're going to tell you how so you know all about those mountains that you might hike or ski down.

How Were Mountains Formed?

The Earth's crust has 17 massive plates, and these are called tectonic plates, and they all fit together similar to pieces in a puzzle. So picture a puzzle and this will help you imagine what these plates look like, they're just a LOT larger.

These tectonic plates keep moving all the time, and that's because they sit on top of the magma underneath.

As they're always moving they rub up against each other, crash into each other and then move apart again.

These movements caused mountains to be formed, but the movements also cause things like earthquakes, volcanic eruptions and the Continental Drift. The Continental Drift is what caused continents to drift apart.

Some mountains form when volcanoes keep on erupting, over and over again. The lava builds up and makes a mountain.

When two plates press against each other, the Earth's crust is moved up by the pressure towards the top and they form mountain chains in 'folds'. But when the crust breaks along the cracks or fault lines, which are a crack in the Earth's surface, and massive blocks of rock are thrown up and form mountain chains in 'blocks'.

What are Mountain Ranges in Folds?

Fold Mountains are mountain ranges that are formed when two tectonic plates push together at their border. The extreme pressure forces the edges of the plates upwards into a series of folds.

What are Block Mountain Ranges?

Block Mountains are formed by the movement of large crust blocks when forces in the Earth's crust pull it apart. Some parts of the Earth are pushed upward and others collapse down.

They are caused by fault lines which are cracks in the Earth's crust. The surface of the Earth can move along these faults, and move rock layers on either side. Wherever you have movement along the faults, you can get earthquakes, and over long periods of time mountains form under the pressure.

Large blocks of rock along the sides of these faults can be lifted up and they tilt sideways from this huge force. And then, on the opposite sides of the faults, the ground tilts downwards which causes it to fall down. This depression gets filled in and leveled out by the erosion of the mountains above.

The Sierra Nevada Mountains in California are an example of a block mountain range.

Interesting Facts about Mountains

Some of the highest mountains are at the bottom of the sea. Hawaii is at the top of a volcanic mountain in the Pacific Ocean. More than half the mountain is under water. Who would have thought that there were mountains under the sea?

The largest range of mountains is in the Atlantic Ocean.

More than half of the world's fresh water comes from mountains and all the major rivers in the world are fed from mountain sources. Wow!

A mountain is only called a mountain when it is over 1,000 feet above the surrounding area.

The summit or peak of a mountain is the very highest point.

Tectonic Plates - these are the two sub-layers of the Earth's crust. They move, float, and sometimes crack. They can cause earthquakes, volcanoes, mountains and trenches in the ocean.

Magma - very hot rock deep below the Earth's surface

Depression - where something gets pushed down

Erosion - where something gets changed by wind, water or other natural forces

Now you know all there is to know about our majestic mountains and how they came about!

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Mountain Facts For Kids | Cool Kid Facts

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Mountain Facts For Kids Mountains are so cool to look at, and if you're lucky you might have taken a hike up a mountain, or even gone skiing down a mountain. But these massive bits of rock didn't just come from nowhere.

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DK Find Out! | Fun Facts for Kids on Animals, Earth, History and more!

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Visit DK Find Out! to learn about dinosaurs, space, animals, nature & more. Fun learning activities for kids with videos, quizzes & galleries at DKFindOut.com

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A mountain can be defined as a type of landform that is distinguished by a higher elevation. Mountains are taller, higher and steeper than hills. Climate conditions vary on mountains because of their high elevation. There are different types of mountains: - Fold Mountains, Fault-block Mountains, Dome Mountains (Upwarped Mountains), Volcanic Mountains, Plateau Mountains (Erosion Mountains). Type of a mountain depends on various factors like physical characteristics and their formation.
Different types of mountains: -

Fold Mountains: - It is the most common type of mountains. When two plates collide head on and their edges crumbled, Fold Mountains are formed. This process is somewhat similar to pushing the folds of a piece of paper. Himalayan Mountains in Asia are great examples of Fold Mountains.

Fault-block Mountains: - When materials are forced upwards by faults or cracks in the earth's crust, Fault-block Mountains are formed. These mountains generally have a steeper front side and a sloping back side. Sierra Nevada Mountains are best example of Fault-block Mountains.

Dome Mountains: - When a large amount of magma pushes up from below the earth's crust but it never reaches the surface. Before its eruption, the source of magma disappears and the pushed up rock takes a dome shape. These mountains are also known as Upwarped Mountain as they take a circular shape.

Volcanic Mountains: - When magma from below the earth's crust makes its way to the surface, it causes an eruption. It results in lava, ash, volcanic gases, rock etc. After this, volcanic vents are formed, building up a mountain. Mauna Loa and Mauna Kea are good examples of volcanic mountains.

Plateau Mountains: - Formation of these mountains is caused by the earth's internal activity and they are revealed by erosion. When running water carves deep channels into a region, Plateau Mountains are created. These mountains are generally found near Fold Mountains.

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Fun Facts for Kids about Different Types of Mountains

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A mountain can be defined as a type of landform that is distinguished by a higher elevation. Mountains are taller, higher and steeper than hills. Climate conditions vary on mountains because of their high elevation. There are different types of mountains: - Fold Mountains, Fault-block Mountains, Dome Mountains (Upwarped Mountains), Volcanic Mountains, Plateau Mountains (Erosion Mountains).

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