54 Arches National Park-Mid

Arches National Park FOCUS Question What are the forces that shape arches?

拱门国家公园焦点问题是什么力量塑造了拱门?

The Land of Arches Arches National Park is in Utah. It has been a national park since 1971. The park is special because it has tall red rocks in many different shapes.

拱门之国国家公园位于犹他州。 自1971年以来，它一直是国家公园。 这个公园很特别，因为它有各种形状的高大的红色岩石。

Some of those shapes are arches. Natural arches are sections of rock with openings in them. Arches are like natural windows. You can see right through the opening in the rocks! Let's learn how arches form. Wowser! Arches National Park has more than two thousand arches! The park has more arches in one spot than any other place in the world.

其中一些形状是拱门。 天然拱门是带有开口的岩石部分。 拱门就像天然的窗户。 你可以从岩石的缝隙里看到!让我们来学习足弓是如何形成的。 老古板!拱门国家公园有两千多个拱门!公园里一个地方的拱门比世界上任何其他地方都多。

A Changing Land Arches National Park has a soft kind of rock—and lots of it! The rock is called sandstone. Wind and rain can wear away rocks especially soft rocks, Over time, the rocks. change shape. Do You Know? The sandstone rocks in the park have a lot of a mineral called iron. Iron gives the rocks their red color.

拱门国家公园有一种柔软的岩石，而且有很多!这种岩石叫做砂岩。 风和雨可以磨损岩石，尤其是软岩石，久而久之，岩石。 改变形状。你知道吗? 公园里的砂岩含有很多一种叫做铁的矿物。 铁使岩石呈现红色。

Many years ago, this part of Utah looked different. The land was flat. Over time, the sandstone began to break apart. Long cracks formed in the rocks.

许多年前，犹他州的这片地区看起来和现在不一样。 土地很平坦。随着时间的推移，砂岩开始分裂。 岩石上形成了长长的裂缝。

Fins Up! As cracks formed, rain filled the spaces in the sandstone. Some of the soft rock washed away. In cold weather, ice broke the rocks even more. Now the rocks looked like slices of bread standing up! These slices of rock are called fins.

鳍片!随着裂缝的形成，雨水填满了砂岩的空隙。 一些软岩石被冲走了。 在寒冷的天气里，冰把岩石打碎得更厉害。 现在这些石头看起来就像竖着的面包片!这些岩石片被称为鳍。