Unit 4: Rocks and minerals A trip to the beach
Uses of rocks and minerals
Earth’s surface: Superficie de la tierra Fossil: Fósil Remains: Restos Sedimentary rocks: Rocas Sedimentarias Limestone: Caliza Sandstone: Arenisca
To come across: Cruzarse / Toparse con Lustre: Brillo Calcium carbonate: Carbonato de Calcio Quartz: Cuarzo Colourless: Incoloro To scratch: Rayar Talc: Talco Concrete: Hormigón Powdered: En polvo To accurate: Precisar Drills: Perforaciones Smooth: Liso To carve: Esculpir Manufactured: Fabricado Counter top: Encimera
Rocks Earth’s crust: Corteza terrestre Cluster: Grupo Crystal: Cristal Igneous rocks: Rocas Igneas Molten lava: Lava fundida To cool: Enfriar Granite and basalt: Granito y Basalto Clay: Arcilla Metamorphic rocks: Rocas Metamórficas To push down: Apretar To bake: Endurecer Marble: Mármol Slate: Pizarra Shale: Esquisto Minerals Chemical composition: Composición química Diamond: Diamante Sulphates: Sulfatos Sulphur: Azufre Gypsum: Yeso Oxides: Óxidos Mixture: Mezcla Ruby: Rubí Jewellery: Joyería
Different examples Igneous rocks: Granite, Basalt, Obsidian, Volcanic Rocks Sedimentary rocks: Clay, Limestone, Sandstone, Chalk Metamorphic rocks: Marble, Slate Elements: Diamond, Silver, Gold Sulphates: Gypsum, Pyrite (Pirita) Oxides: Ruby, Hematite, Ice
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