Vocabulary
A natural, nonliving substance that occurs in rocks
mineral
any material found on Earth that can be used by people
resource
Scientists classify rocks into three main groups. What are these groups
Metamorphic, Sedimentary, and Ignious
results from melted rock that cools and hardens
igneous rock
characteristics like color, hardness, luster, and streak
properties
What type of rock can fossils be found in
Sedimentary Rock
results from sediment that is pressed and cemented together
sedimentary rocks
the cycle that shows how rocks change from one form to another and how they are related
Rock Cycle
Rocks formed from heat and pressure
igneous rocks
the age of a rock that is found by comparing the position of the rock to other rock layers
relative age
rocks formed from molten rock below the earth or lava above the earth
igneous rock
People use rocks and minerals for what?
Resources
formed by heat and pressure
metamorphic rock
Music that is loud or a hard surface found in the yard
rock
Minerals offer clues about how rocks ____________.
Minerals