Science Olympiad Dynamic Planet Practice Test

Disable ads (and more) with a membership for a one time $4.99 payment

Study for the Dynamic Planet Test with our detailed quizzes. Master concepts using flashcards and multiple choice questions, each with insights and solutions. Prepare effectively for your Science Olympiad!

Practice this question and more.

Which type of volcano is built from layers of lava and is formed by quiet eruptions?

Cinder cone
Shield volcano
Composite volcano
Crater

The correct answer is: Shield volcano

The type of volcano that is built from layers of lava and formed by quiet eruptions is the shield volcano. Shield volcanoes are characterized by their broad, gentle slopes and are primarily formed from the accumulation of low-viscosity basalt lava that can flow over long distances. This type of lava allows for more fluid eruptions, which typically occur in a non-explosive manner, contributing to the layered structure of the volcano. As these eruptions continue over time, the lava gradually builds up a dome-shaped profile, resembling a warrior's shield, hence the name "shield volcano." This is distinct from other types of volcanoes, such as cinder cone and composite volcanoes, where the eruption style is often more explosive or involves different materials, leading to steeper and more conical structures.