The Sierra Nevada Mountains are examples of which type of mountain?

The Alps, Appalachian, and Himalayan mountain ranges are examples of which type of mountain?

Hawaii, Yellowstone, and the Cascade mountain range (Mount St. Helen) are examples of which type of mountain?

mountains formed when horizontal rock layers are squeezed from opposite sides causing them to buckle and fold

A fold in rock that bends downward to form a valley

A fold in rock that bends upward into an arch

A major geological fault in California, U.S., made by a sliding transform fault

Height above sea level

process of cracking that occurs when the folded land cannot be bent any further

the bending of rock layers due to stress in Earth's crust (3 types: anticline, syncline, monocline).

a crack in the earth's crust

A type of fault where the hanging wall slides downward; caused by tension in the crust

a reverse fault in which the hanging wall slides over to the foot wall.

A type of fault where the hanging wall slides upward

a type of fault where rocks on either side move past each other sideways with little up or down motion

a group of connected mountains

A group of mountain ranges connected over a much larger area

A mountain range that stretches from eastern Canada south to Alabama.

a name for a group of mountains located in the Appalachian chain that are characterized by a "blue" haze that surrounds their peaks. Found in Virginia

3 Types of Mountains: Choose 3 answers!

Form at Continental-Continental Convergent Plate Boundaries when rock layers are squeezed together and pushed upwardex. Alps in central Europe, Ural Mountains in Russia, and the Himalayas in Asia

Mountains with round tops and shallow valleys; older than 65 million years. Blue Ridge Mountains in Virginia are an example.

Mountains with high peaks, sharp ridges and deep valleys; less than 65 million years old; The Andes are an example.

area of level land, usually at low elevation and often covered with grasses

A large area of flat land elevated high above sea level

mountains that form as blocks of rock move up or down along normal faults

What is magma?

What is lava?

A ______ is a duct connecting the magma chamber and the outside of the volcano.

Which mineral in magma determines whether an eruption is explosive or quiet?

Gases bubble out gently, lava will ooze out of vent quietly and flow for many kilometers, how the Hawaiian Islands were formed

Volcanoes, like the Hawaiian Islands, that are made of basalt lava flows are called _____.

What provides the force that causes a volcano to become explosive?

This is where the volcanic materials that erupt are stored

How fast a lava is able to flow is based on its

When volcanic ash mixes with water, it forms violent mudflows called ______________

The top of the main vent where lava flows through is the ___

What was most surprising to the volcanologists who studied Mount St. Helen's eruption?

What geologic hazards are caused by Ring of Fire volcanic eruptions? (Select all that apply)

What percentage of Earth's volcanoes are found in the Ring of Fire?

Why are Ring of Fire volcanic eruptions more violent than Hawaiian volcanoes?

Which continents border the Ring of Fire? SELECT ALL THAT APPLY.

What did the landscape look like after Mt. St. Helens erupted?

What was the largest Volcano to erupt in the United States?

Which of the following is a correct definition of a landslide?

The world’s largest landslide in modern history occurred during the 1980 eruption of Mount St. Helen in Washington. Why do you think landslides often follow or happen during volcanic eruptions?

Which of the Following is NOT a possible hazard of a volcanic eruption

These are sometimes caused by the upward movement of magma before an eruption