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Click on each of the resources I have posted in any order. Whenever you have a reaction to what you are learning, or a fact you'd like to share, post about it here! Read and respond respectfully to each other's posts, too!

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Caves - an intro for kids (1/2) - Sanger Academy

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An introduction to caves for kids. Covers stalactites, stalagmites, columns, flowstone, pools, bats, how caves are formed, and more.

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A cave is a natural underground void large enough for a human to enter. Some people suggest that the term 'cave' should only apply to cavities that have some part that does not receive daylight; however, in popular usage, the term includes smaller spaces like sea caves, rock shelters, and grottos.

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Read this book about caves!

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The cave system with the greatest total length of passage is Mammoth Cave!!!!!

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The cave system with the greatest total length of passage is Mammoth Cave!!!!!

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Mayans built temples over caves or built them to look like caves because they believed that caves were the entrance to the underworld

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Mayans built temples over caves or built them to look like caves because they believed that caves were the entrance to the underworld

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Did you know in some caves, there are pools!

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The Waitomo Cave in New Zealand it is cool because it glows up and there are glow worms

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Caves are just grey and black and boring. But in some caves there are really old paintings!

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Humans have used caves throughout history for burial grounds, shelter, and religious sites

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The pointy things hanging from the top of a cave are called stalactites.

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The pointy things hanging from the top of a cave are called stalactites.

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The rivers in the caves look cool and the rocks are beautiful!!

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the longest one in total is the  Mammoth Cave (Kentucky) at 591 km in length

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An ice cave in Russia is only accessible in summer because throughout the rest of the year there's 3 ft. of snow the cover the region.

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Humans have used caves for shelter, food storage, mushroom farming, hideouts from the law, and many other activities. The Reed Flute Cave in China was an air-raid shelter during World War II

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Humans have used caves for shelter, food storage, mushroom farming, hideouts from the law, and many other activities. The Reed Flute Cave in China was an air-raid shelter during World War II

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Going into caves are dangerous. caves in the water are even more dangerous.

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Going into caves are dangerous. caves in the water are even more dangerous.

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Some of the largest natural crystals ever found were formed in the Cuervo de los Cristales 1,000 feet under Naica Mountain in Mexico

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Some of the largest natural crystals ever found were formed in the Cuervo de los Cristales 1,000 feet under Naica Mountain in Mexico

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Spelunkers are people who explore caves!

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Spelunkers are people who explore caves!

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The Largest Crystal in Naica Mine, Mexico

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The Largest Crystal in Naica Mine, Mexico

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Scientists recorded the largest crystal in the cave weighing over 55 tons! It took 500,000 years to create. That's roughly 1 millimeter every two years.

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stones run like melting wax

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Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone  which becomes enlarged enough to form caves.

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Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone  which becomes enlarged enough to form caves.

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That is Chemical Weathering

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people live swim in pools in caves.

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Cool Caves
The Waitomo Cave in New Zealand it is cool because it glows up and there are glow worms

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I saw a piture of the Praya Nakhon Cave on the TV.

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Caves form by there selves It is  so cool

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The deepest known cave (measured from its highest entrance to its lowest point) is Voronya Cave

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One fact about caves is some caves are smooth because of rain and flash floods.

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One fact about caves is some caves are smooth because of rain and flash floods.

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Have you ever wondered how caves are actually made? Well caves are made when water through a rock called limestone.

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Did you know that in some caves there are rivers!

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The Son Doong Cave is the biggest cave found on earth.

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Did you know that in a came called Nakia Mine, it's so hot that an average person can only survive for 10 minutes! It was a large crystal growth cave.

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Did you know there are pool in caves and you can swim in them

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It has crystals in the cave but it is so hot you can only survive for only 30 min but that's with a suit

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Waitomo cave in New Zeland has a species of glow worm that makes it look like the walls are glowing, it has a lake in it, so you can ride on a boat to see the glowing walls.

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Waitomo cave in New Zeland has a species of glow worm that makes it look like the walls are glowing, it has a lake in it, so you can ride on a boat to see the glowing walls.

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The Nailca Mine is filled with crystals. Like a crystal cave!

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The Ice Cave it so cool it is like a crystal cave and is icy cold

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Mammoth Cave National Park Facts for Kids

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Mammoth Cave National Park is a U.S. national park in central Kentucky, encompassing portions of Mammoth Cave, the longest cave system known in the world. Since the 1972 unification of Mammoth Cave with the even-longer system under Flint Ridge to the north, the official name of the system has been the Mammoth-Flint Ridge Cave System.