Igneous Rocks

Vocabulary

100

Magma that flows out onto Earth's surface.

What is Lava.

200

Course-grained rocks that cool slowly beneath Earth's surface.

What is Intrusive igneous rocks.

300

Rocks is broken down by physical forces like gravity, water, ice, wind or human action.

What is Physical Weathering.

400

The wearing away of soil or rock by weathering and the actions of streams, glaciers and other forms of water.

What Erosion?

500

 An extrusive igneous rock, which forms from volcanic lava that cools rapidly at Earth's surface. It is generally black in color

What is Basalt?

What are Igneous Rocks?

100

These rocks cool quickly on Earth's surface.

What is Extrusive igneous rocks.

200

____________ increases as you move further into Earth's crust to produce a geothermal gradient.

What is Temperature.

300

Under these conditions the lava will cool extremely quick with little to no crystals.

What is - in water or on ice? 

400

These rocks are produced when magma exits and cools above (or very near) the Earth's surface. 

What are extrusive igneous rocks?

500

Rocks only melt with the perfect combination of ________, ________, and _________.

What is Temperature, pressure, and composition.

Classifying Igneous Rocks

100

Name the 3 methods characteristics described in this class that are used to classify igneous rocks.

What is Mineral composition, grain size, and texture.

200

This light colored igneous rock has large crystals (coarse) and more than 5% quartz

What is Granite or Pegmatite.

300

Light, Intermediate, Dark, Very Dark

What are the color classifications for Igneous Rocks?

400

Rhyolite, andesite, basalt

What are Igneous rocks with < 1mm Crystals (fine)?

500

Differentiate between intrusive and extrusive rocks according to grain size.

What is extrusive, no visible mineral grains; intrusive, large mineral grains

Miscellaneous

100

51 years old

How old is Dave?

200

8:00-2:20

What are the hours of the RAHS Lents the school day?

300

#0 for the Boston Celtics

Who is Jayson Tatum?

400

$400,000 a year

What is the salary for the President of the United States?

500

$57,933

What is the average Public School Teacher salary in the United States