Science Definitions Flashcards
What is a geologist?
a scientist who studies the process and materials that form the solid part of Earth
What is a sedimentary rock?
a type of rock formed from sediment that compacts and cements over time
What are fossils?
a clue about life from the past that is preserved in rock
What is a model?
a usually minuature representation of something
What is a sediment?
small pieces of rock, such as silt or sand
What is an element?
a simple substance made of atoms that are all the same kind
What is an extrusive rock?
when magma exits and cools above (or very near) the Earth’s surface
What is an intrusive rock?
when magma exits and cools below the Earth’s surface
What is magma?
hot liquid rock that is found beneath Earth’s surface
What is a mineral?
a soild inorganic substance of natural occirance
What is an ore?
a naturally occuring solid material from which a metal or valuble mineral can be profitably
