6th Grade: Chapter 4 Lesson 2

Multiple Choice

Which of the following best describes a fault in Earth's crust?

• A crack or fracture along which movement occurs

• A type of volcanic eruption

• A layer of molten rock beneath the surface

• A measurement of earthquake magnitude

Open Ended

What is the significance of studying how Earth's surface is shaped by natural forces such as earthquakes and volcanoes?

Fill in the Blanks

Fill in the blank: The size of an earthquake is determined by how much energy is released during the earthquake, called

.

Multiple Select

Select all the statements that are true about where earthquakes occur.

• Most earthquakes occur on plate boundaries

• Smaller earthquakes occur more than larger ones

• Earthquakes only occur in the ocean

• Plate boundaries are made up of more than one fault

Open Ended

Explain how movement along faults can create different landforms on Earth's surface.

Multiple Choice

The difference between magma and lava is _____

• where it is found (above or below the surface)
• how hot the molten rock is (lava is hotter than magma)
•  the type of boundary where it forms
• the viscosity of the molten rock (lava has a lower viscosity)

Multiple Choice

Magma is molten material from the mantle that has reached Earth’s surface.

• TRUE

• FALSE: lava

• FALSE: a hot spot

• FALSE a volcano

Open Ended

Do you have any questions about how earthquakes and volcanoes shape Earth's surface, or would you like to learn more about a specific aspect of this topic?