Earth Science Unit 2

The way in which a mineral reflects light is known as __________________.

As depth increases in the Earth’s crust, pressure tends to ____________________.

Intrusive rocks cool and crystallize ______________ the Earth’s surface.

The rare, ultrabasic/ultramafic rocks that diamonds and other minerals are found in are called _______________.

These rocks are dark in color, and have low silica content.

A native element is made up of how many elements?

The measure of how easily a mineral can be scratched is called _________________.

If only part of the minerals in a rock melt while others remain solid, it is called _______.

The color of a mineral when it is broken up or powered is called _____________________.

What do we call the size, shape, and distribution of crystals and grains in rocks?

_________________ is when very hot water reacts with rock and alters its chemical and mineral composition.

Vesicular texture is described as a spongy appearance that results from ________ trapped in the lava as it cools.

Silicates make up roughly ____________ of the minerals in the Earth’s crust.

Magma is _______________ dense than the surrounding rock, so it can rise to the surface.

What process reduces the pore space in sediments due to the weight of overlying sediments?

________ metamorphic rocks are characterized by layers and bands of minerals caused by high pressure during metamorphism

Gravity, water, wind, and ice all are agents of __________.

Magma that cools and crystallizes on the Earth’s surface is called _______________.

We classify igneous rocks according to their ________ and _______________.

What type of metamorphic rock is a result of increased pressure and temperature affecting large regions of Earth's crust

_______________ metamorphic rocks are composed mainly of minerals that form with blocky crystal shapes.

When metamorphic rocks change into new minerals that are stable under the new temperature and pressure conditions it is

If a rock is high in iron and magnesium content, it will have a __________ melting point.

What is the process called that changes sediments to sedimentary rocks?

In a crystal, the atoms are arranged in what kind of patterns?

Lava is the common name for ___________ that flows out onto the Earth’s surface.

When scientists classify magma, they are looking at the amount of ___________.

1)     Fractional crystallization the _________ minerals to crystallize are the __________ to melt.

The continuous changing and remaking of rocks is called the ______________.

Which one of the following characteristics is NOT true of a mineral?

What texture has large, well-formed crystals surrounded by fine grained crystals of the same or different minerals.

Which of the following DOES NOT affect the formation of magma?

Pieces of pre-existing rocks that have been broken off are called ________________.

The atomic structure that resembles a pyramid in shape is known as a ___________________.

As the depth increases in the Earth’s crust, temperature tends to ______________.

If a mineral can be mined for profit we call it a(n) __________________.

Color is a very reliable and trusted characteristic when determining a minerals identity.

Rocks are classified as igneous, sedimentary, or metamorphic based primarily on their ________.

Which of the following is an example of a fossil?

If magma cools slowly is produces ____________ crystals, and rapid cooling produces ______________.

________________ is when molten material, such as that in an igneous intrusion, comes in contact with solid rock.

What is the term for valuable minerals that are prized for their beauty and rarity?

What are the types of rocks that form when molten materials cool and crystalize?

What chapters does this unit test cover?

The compounds made from combining oxygen and any metal are called __________________.