Earth Mega Review

Front

What is a volcano?

Back

A volcano is an opening in the Earth's surface that allows molten rock, ash, and gases to escape from below the Earth's crust.

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient plants and animals, often found in sedimentary rock.

Front

What materials make up the Earth's inner and outer core?

Back

The inner and outer core are primarily made of iron and nickel.

Front

What is the outer core?

Back

The outer core is a liquid layer of the Earth located beneath the mantle and above the inner core, composed mainly of molten iron and nickel.

Front

Which layer of the Earth is the thinnest?

Back

The crust is the thinnest layer of the Earth.

Front

What is the Earth's crust?

Back

The crust is the outermost layer of the Earth, consisting of solid rock and soil, and is where we live.

Front

What is the mantle?

Back

The mantle is the thick layer of rock between the Earth's crust and core, composed of silicate minerals and is semi-solid.

Front

How do volcanoes affect the Earth's surface?

Back

Volcanoes can create new landforms, such as islands and mountains, and can also cause destruction through lava flows and ash deposits.

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid due to immense pressure, while the outer core is liquid.

Front

What role do tectonic plates play in volcanic activity?

Back

Tectonic plates can move apart or collide, creating conditions for magma to rise and form volcanoes.