VOCABULARY
A non-living substance occurring naturally in the Earth
What is a mineral
Its surface is made up of rocks and minerals
What is Earth?
Formed when Earth's extremely hot magma cools and hardens
What are igneous rocks?
This type of rock is formed when other types of rock experience extreme heat and pressure within Earth's surface but remain solid
What is metamorphic?
Formed when natural processes, like erosion and weathering, break down and loosen rocks and minerals
What is sedimentary rocks?
The process by which rocks of one kind change into rocks of another kind
What is the rock cycle?
The process by which Earth creates, changes, and recycles rocks
What is the rock cycle?
When magma reaches Earth's surface after a volcano erupts
What is lava?
Metamorphic rocks are usually formed here
What is deep inside Earth's crust?
Large rocks and mountains can be broken down due to these factors
What are wind, rain, ice, or water flows?
The way that light affects the surface of a rock or mineral
What is luster?
All rocks are a mixture of these
What are minerals?
Most igneous rocks are made of this
What are crystals?
Metamorphic rocks are first classified by this
What is texture?
Sedimentary rocks are formed here
Where is on or just under Earth's surface?
The liquid rock stored in Earth's crust
What is Magma?
Some minerals reflect light a lot more than others. This is called...
What is luster?
A solid with a highly ordered structure
What is a crystal?
Metamorphic rocks that are made of many different minerals and look like they have stripes
What is foliated?
Most evidence of extinction is found in these rocks
What are sedimentary rocks?
The remains of plants or animals from long ago, like bones or marks on a rock
What is a fossil?
The liquid rock stored in Earth's crust
What is magma?
Most of the ocean floor is made of this
What is basalt?
Some metamorphic rocks have these rare gems
What are rubies, sapphires, and emeralds
The marks of dead plants and animals on sedimentary rocks are called this
What are fossils?