Earth Structure
The outer layer of the earth is called the ________.
Crust
Rocks that are formed by heat and pressure are ___________ rocks.
metamorphic
_____ is the name of the hardness test.
Mohs
Melted rock inside a volcano is called ________.
Someone who studies rocks is called a ___________.
Geologist
The middle layer of the Earth is called the _________.
Mantle
Rocks that formed from cooling lava are called ___________ rocks.
igneous
To find the true color of a mineral you must do a _______ test.
streak
Melted rock expelled from a volcano is called ________.
lava
The hardest mineral on the Mohs hardness scale is ________.
Diamonds
How many parts are there to the core?
2
Rocks that are formed by layering is called ____________ rocks.
sedimentary
How light reacts to rock shows its ________.
luster
The cluster of volcanos around the Pacific Ocean is known as the __________________________.
Ring of Fire
What is the birthstone for March?
Aquamarine
Scientists believe the core is ________.
solid
Traces of past life preserved in rock are called __________.
fossils
Lustrous rocks can either be ________ or ___________.
metallic or nonmetallic
Mount Vesuvius destroyed what city in Italy?
Pompeii
What is New Hampshire's state rock?
Granite
The deepest hole ever dug in the crust was just over __________ feet.
40,000 (40,230 to be exact!)
The process where rocks are broken down to form small pieces or sediments is called ___________.
weathering
If a mineral is pure and has a geometric shape is is also known as a _____________.
Crystal
The closest volcano to us within the United States is ___________.
Yellowstone
What are the three main types of minerals that make up granite?
quartz, feldspar, and mica