Vocabulary
Rocks
rocks
100
different kinds of crystals that make up rocks
What is minerals?
100
Obsidian
What is a type of igneous rock?
100
ancient plant or animal plant was like, animal looked like, and the enviroment was like
What is what a scienctist tell from a fossil?
200
A common mineral that forms rocks
What is mica?
200
Bones and leaves can form
What is these form fossils?
200
forms when weathering causes rocks to break apart, such as with water and plant roots. Soil contains small bits of rock, decaying plants and animals, and tiny life forms.
What is how soil forms and what is contains?
300
A natural process that breaks rocks into smaller pieces
What is weathering?
300
Always made of melted rock that cooled
What is a property of igneous rock?
300
true about sedimentary rocks
What is they have layers?
400
The way a mineral's surface reflects light
What is luster?
400
Very high temperatures and pressure, granite can become gneiss. Gneiss is
What is metamorpic rock?
400
mineral that has a hardness of 7 on Mohs scale?
What is quartz?
500
The eroded material that settles on land or on the bottom of lakes, rivers, and oceans
What is sediment?
500
Igneous rock that cools quickly
What is obsidian?
500
They are made of one or more minerals
What is true about rocks?
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