Formed when got magma cools on the Earth's surface.
How are igneous rocks formed?
100
The mantle
Which layer of the Earth is made of magma?
100
Change form.
What does the word METAMORPHIC mean?
100
They are formed by magma which is hot like fire.
Why are igneous rocks called "Fire Rocks?"
200
Texture, color, and weight.
What are the 3 characteristics that geologists observe when studying rocks?
200
Formed by layers of older rocks or sediments, squeezed together because of large amounts of pressure.
How are sedimentary rocks formed?
200
The core.
Which layer of the Earth is the hottest?
200
When plates separate and pressure is released.
(Must pick Hmmm for 300 right after!)
What causes volcanoes to erupt?
200
Sedimentary rocks.
What type of rock are folded mountains made of?
300
Igneous, Sedimentary, and Metamorphic rocks.
What 3 rocks have we studied?
300
They change by heat, pressure, and chemical actions.
How are metamorphic rocks formed?
300
The crust.
Which layer of the Earth is broken up into plates?
300
The volcano erupts and lava comes out.
What is the effect?
300
An area in the Pacific Ocean where half of all volcanoes are found and 90% of all earthquakes happen.
What is the 'Ring of Fire?'
400
Rocks are made of minerals.
What are rocks made of?
400
An imprint of plants or animals trapped in layers of rock, formed over a long period of time.
What is a fossil?
400
Hot liquid rock inside the Earth.
What is magma?
400
Plates collide.
(Must pick Hmmm for 500 right after!)
What causes an earthquake to happen?
400
-They can predict when a volcano will erupt.
-They can predict when an earthquake will happen.
-They tell us facts about the Earth.
-They can find natural resources.
Why is a geologist's job important?
500
A solid element found naturally in the Earth.
What is a mineral?
500
A rare and beautiful mineral found naturally in Earth.