Layers of the Earth 6th Grade REVIEW

Front

Which statement BEST describes the relationship between Earth's mantle and core?

Back

The core is denser than the mantle.

Front

Earth's lithosphere is composed primarily of which material?

gas

,

water

,

magma

,

rock

Back

rock

Front

Which statement BEST describes one difference between Earth's mantle and crust?

Back

The mantle is hot compared to the crust.

Front

The tectonic plates are made of a combination of the crust and the uppermost part of the mantle. What is this combination called?

Back

lithosphere

Front

Living organisms are found on what layer of Earth? A. the mantle B. the core C. the crust D. the inner core

Back

the crust

Front

Which description best represents heat flow and movement in Earth's mantle?

Back

When magma is heated, it becomes less dense and rises. When magma is cooled, it becomes more dense and sinks.

Front

What mistake has Kenyatta made in his model of Earth's layers?

Back

He marked the inner core as a gas.

Front

Which layer of Earth is believed to be responsible for Earth's magnetic field?
Options: core, upper mantle, lower mantle, crust

Back

core

Front

Which of the following describes the inner core of Earth?

Back

It is dense, composed primarily of solid iron, is under the most pressure with the highest temperatures, and is 1250 kilometers thick.

Front

Label the asthenosphere, mantle, and core on a model of Earth's layers.

Back