✅ 6th Grade Earth Science: Volcanoes Quiz

What is the name for molten rock that is found beneath the Earth's surface?

A volcano is best described as a(n) $ ... $ in the Earth's crust through which molten rock and gases escape.

Which type of volcano has a broad, flat shape and is formed by layers of thin, runny lava?

What do scientists call a volcano that is not currently erupting but is expected to erupt again in the future?

Which type of volcano is typically the smallest and is formed from piles of rock fragments and "cinders" after a single explosive eruption?

A tall, cone-shaped volcano made of alternating layers of lava and ash is known as a $ ... $ volcano.

Most of the world's active volcanoes are located in a circle around the Pacific Ocean known as the $ ... $.

Where is the large underground pool of liquid rock located beneath a volcano?

The Hawaiian Islands were formed over a $ ... $, which is a place where magma rises from deep within the mantle far away from plate boundaries.

If magma has a high viscosity, it means the magma is $ ... $ and will likely cause a more explosive eruption.

During a volcanic eruption, what is the main reason that ash can be dangerous to people living far away?

At which type of plate boundary does subduction occur, often leading to the formation of volcanic mountains?

Volcanoes that form at divergent boundaries, such as the Mid-Atlantic Ridge, are usually created because $ ... $.

Why do some volcanic eruptions produce quiet lava flows while others are violently explosive?