Science Midterm Review

Front

What are crystals formed by?

Back

Crystals are formed by the cooling of magma beneath the earth’s crust or by dissolved minerals that are left behind as a liquid evaporates.

Front

What is not a characteristic of a Shield Volcano?

Back

Caused by explosive eruptions.

Front

What does the diagram of the layers of the Earth represent?

Back

The structure of the Earth, including the crust, mantle, outer core, and inner core.

Front

Who proposed the theory of continental drift?

Back

Alfred Wegner.

Front

What is Igneous Rock?

Back

Igneous Rock forms from magma or lava that cools.

Front

What is the process of compaction and cementation?

Back

It is the process where sediments are pressed together and glued to form sedimentary rock.

Front

What are the two main types of igneous rock?

Back

Intrusive (formed inside the Earth) and extrusive (formed on the Earth's surface).

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the Earth's surface, while lava is magma that has reached the Earth's surface.

Front

What is a volcano?

Back

A volcano is an opening in the Earth's crust where molten rock, ash, and gases can escape.

Front

What are sedimentary rocks?

Back

Rocks formed from the accumulation and compaction of mineral and organic particles.