Explain which is the largest reef?
Explain how do minerals become rocks and rocks become soil?
Define loam soil?
Explain the earths core made of?
Explain what makes mountains appear purple?
Explain which carbonate mineral reacts readily with cool dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?
Explain how has the earth changed since it was formed?
Explain what does a geologist do on a typical day?
Explain the name of the largest volcano in the world?
Explain the earths crust made of?
Explain how are the layers of schist separated into alternating light and dark minerals?
Define granite?
Describe the formation of sedimentary rocks?
Explain why does a glacier move?
Describe the formation of metamorphic rocks?