What is the difference between magma and lava?

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)

Which statement is "true" about predicting volcanic eruptions?

Geologist never have any warning.

Geologists predict them easier.

Geologist predict how powerful they are.

Geologist can predict the type of eruption.

Which type of volcanoes have non-explosive eruptions (easy flowing lava)?

Shield and Composite (occasionally) volcanoes

Which type of volcano has explosive eruptions (pyroclastic flow)?

Composite and Cinder Cone Volcanoes

Which of the following is NOT a way to classify volcanoes?

Type (shield, cinder cone, composite)

Volcano Types

Quiz

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Other Sciences

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8th Grade

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Practice Problem

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Medium

Dave Curry

Used 477+ times

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About this resource

This quiz focuses on volcanology within the broader earth science curriculum, specifically targeting the classification and characteristics of different volcano types. The content is well-suited for 8th grade students who are developing their understanding of geological processes and volcanic phenomena. Students need to master several core concepts to succeed on this assessment: the three main volcano types (shield, composite, and cinder cone) and their distinctive formation processes, the classification system for volcanic activity levels (active, dormant, and extinct), the fundamental difference between magma and lava based on location, and the role of silica content in determining eruption style. Additionally, students must understand the composition and behavior of different lava types (aa and pahoehoe), the mechanisms that trigger volcanic eruptions through gas expansion, and the materials involved in pyroclastic flows. The questions require students to apply their knowledge of volcanic processes to identify volcano types from visual models and connect volcanic characteristics to their underlying geological mechanisms. Created by Dave Curry, an Other Sciences teacher in the US who teaches grade 8. This comprehensive assessment serves multiple instructional purposes throughout the volcanic unit, functioning effectively as a formative assessment tool to gauge student understanding before moving to more complex geological concepts. Teachers can deploy this quiz as a review activity before summative assessments, assign it as homework to reinforce classroom learning, or use selected questions as warm-up activities to activate prior knowledge at the beginning of lessons. The variety of question types, including visual identification tasks and conceptual understanding checks, makes it particularly valuable for differentiating instruction and identifying specific areas where students need additional support. This quiz directly supports NGSS standard MS-ESS1-4, which requires students to construct explanations for how geoscience processes have changed Earth's surface, and aligns with the disciplinary core idea ESS1.C regarding the history of planet Earth and the processes that shape its surface features.

Volcano Types

23 questions

Which of the following terms are used to describe a volcano that may erupt at any time?

Which of the following terms are used to describe a volcano that is has not recently erupted, but may in the future? (aka sleeping volcano)

What is the difference between magma and lava?

What type of volcano is created when a volcano erupts and releases lava, which then hardens over previous lava over millions of years?

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

What causes a volcano to erupt? (Hint: Think of a soda can)

Which statement is "true" about predicting volcanic eruptions?

Which type of volcano can alternates between explosive and non-explosive eruptions?

Which type of volcano erupts with both lava and pyroclastic flows (dust, gas and rock particles)?

What type of volcano is shown on the model above?

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