The Long Island Sound

The history of the Long Island Sound begins with scorching of earth by ice…

Beneath the water of the Long Island Sound are clues to its past. Layers of sediments and rock tell us it was once a freshwater lake. When the last ice age ended 19,000 years ago, the great ice, left a pile of rocks and dirt at its southern end as it melted. These piles are called a moraine .

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What do you know about the creation of the Long Island Sound?

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Here's a hint... What is the picture showing you about ice and rocks?

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Do you know of any other geographic features that were created by glaciers?

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