Unit 3 Exam

Last updated about 5 years ago
75 questions
Answer the questions by clicking on the correct answer. You will have ONE class period in which to complete this exam.
2

Tectonic plates consist of

2

Wegener thought that all the continents were once together in one large continent called

2

The global positioning system can map the rate of plate movement using

2

What kind of fault usually occurs because of tension?

2

What kind of fault usually occurs because of compression?

2

What kind of force can lead to mountains with sharp, jagged peaks?

2

What is the area where two tectonic plates meet called?

2

What type of boundary is formed when plates separate?

2

What type of boundary is formed when plates slide past one another?

2

According to the continental drift theory, a single, huge continent once existed named

2

The mantle is denser than the crust because it contains more

2

The core consists mainly of

2

Seismic waves travel through the Earth's layers at different speeds depending on the

2

Mountains formed by magma that reaches the Earth's surface are

2

The fact that similar fossils are found on both sides of the ocean is evidence of

2

Sets of deep cracks that form between two tectonic plates that are pulling away from each other are known as

2

What happens at mid-ocean ridges?

2

Which of the following is associated with transform boundaries?

2

What do scientists use the global positioning system for?

2

What is tension?

2

What can tectonic plates form when they converge?

2

What is the order of the layers of the Earth moving from the surface to the center?

2

Tectonic plates "float" on

2

Earthquakes produce

2

The giant continent that was composed of all the land on Earth was called

2

The southern portion of the giant supercontinent that broke apart about 180 million years ago was called

2

Magnetic reversals are preserved in

2

Magnetic reversals have helped to support

2

Mid-ocean ridges are the most common type of

2

The Global Positioning System depends on

2

The San Andreas fault is an example of a

2

Most earthquakes happen at the edges of

2

Which of the following is a type of body wave?

2

How much more ground motion does an earthquake with a magnitude of 6.0 have than one with a magnitude of 4.0?

2

Which state would you expect to have the highest probablility of experiencing an earthquake due to tectonic stress?

2

What kind of deformation leads to earthquakes?

2

Which of the following is NOT a type of fault that leads to an earthquake?

2

The epicenter of an earthquake is the point on the Earth's surface

2

The strength of an earthquake is determined by the

2

One way to forecast earthquakes in an area is to observe their past

2

Which of the following is NOT a type of technology used to construct earthquake resistant buildings?

2

Strike-slip faults are created by

2

What do seismologists use to measure earthquake strength?

2

What do seismologists use to measure the effect of an earthquake at a given location?

2

Which of the following would you expect to see during a non-explosive eruption?

2

Which of the following would you expect after an explosive eruption?

2

A shield volcano

2

A cinder cone volcano

2

A combination of explosive and non-explosive eruptions will create a

2

A large depression that forms when the magma chamber partially empties is a

2

Which of the following best describes subduction?

2

A dormant volcano

2

An active volcano

2

Where are volcanoes mist likely to form?

2

Molten rock deep underground often gathers in a

2

Lava that is very runny is probably

2

When you talk about the viscosity of lava, you are talking about

2

Which type of lava flows most like dripping wax?

2

Cool, stiff lava that forms jumbled heaps of sharp, chunks near the vent is called

2

Which type of pyroclastic material gets its name from a word that means "little stones"?

2

Pyroclastic material forms when

2

The three main types of volcanoes are

2

The depression created when the roof of a magma chamber collapses is called a

2

Rock begins to melt when

2

Most active volcanoes form

2

Volcanic activity is common along the Mid-Atlantic Ridge. This activity occurs at a

2

Which of the following is NOT considered when predicting volcanic eruptions?

2

What is a rift?

2

What does a tiltmeter measure?

2

Which kind of volcanic eruption is the most destructive?

2

Mt. Rainier and Mt. St. Helen's are

2

Mauna Kea is a

2

Magma forms deep in the Earth's crust and in the mantle where

2

Only about 5% of land volcanoes form

2

When infrared images show that an area is getting hotter, what is probably happening there?

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