Rocks, Minerals, and Fossils Flashcards
What is sedimentary rock?
Sedimentary rock is made up of particles of sand, mud, and other debris that have settled on the seabed and been squashed down to form hard rock.
What are strata?
Strata are layers of rock.
What is bedrock?
Bedrock is the solid layer of rock that lies underneath the soil, covering the Earth’s surface.
What is a fossil?
A fossil is the shape or remains of a plant or animal that died long ago hardened and preserved in rock.
What is geology?
Geology is the study of the Earth’s rocks and minerals and the way they have developed.
What is a geologist?
A geologist is a scientist who studies the Earth’s rocks and minerals.
What is a mineral?
A mineral is a non-living substance found in the Earth, such as salt, diamond, iron, or quartz. Most rocks are made up of a mixture of minerals.
What is igneous rock?
Igneous rock is formed when magma escapes from inside the Earth, then cools and hardens.
What is metamorphic rock?
Metamorphic rock is rock that has been changed by heat or pressure. It can be formed from sedimentary, igneous, or other metamorphic rock
