Rocks and Minerals .
岩石和矿物。
Rocks are everywhere on earth.
地球上到处都是岩石。
Rocks can be many shapes and sizes.
岩石可以有许多形状和大小。
Boulders are large rocks.
巨石是大石头。
Boulders can be larger than a house.
巨石可以比房子大。
We use rocks in many ways.
我们在很多方面使用石头。
Limestone is a rock.
石灰石是一种岩石。
Limestone is used to make concrete.
石灰石被用来制造混凝土。
Concrete is used to build houses and roads.
混凝土被用来建造房屋和道路。
Marble is a beautiful rock.
大理石是一种美丽的岩石。
Marble can be carved.
大理石可以雕刻。
Statues are carved from marble.
雕像是用大理石雕刻的。
Rocks are made up of minerals.
岩石是由矿物构成的。
Minerals are non-living solids.
矿物质是非生命固体。
There are many types of minerals and they have many uses.
矿物种类繁多，用途广泛。
Quartz, copper and graphite are minerals.
石英、铜和石墨都是矿物。
Quartz is found in many rocks and sand.
石英存在于许多岩石和沙子中。
Quartz is used with minerals from limestone to make glass.
石英与石灰石中的矿物一起用来制造玻璃。
Copper is used to make pots.
铜被用来制作罐子。
Quartz and copper are hard minerals.
石英和铜是硬矿物。
Graphite is used to make pencils.
石墨被用来制作铅笔。
Graphite in a pencil is the black part we use to write.
铅笔中的石墨是我们用来写字的黑色部分。
Graphite is a soft mineral.
石墨是一种软矿物。