Earth is divided into different layers based on their physical properties and composition. Which layer is the thinnest, coolest, and outermost part of the Earth?

The Earth is composed of several 'spheres' that interact with one another. Which sphere includes all of Earth's water, including oceans, lakes, glaciers, and moisture in the air?

Sedimentary rocks are often formed through a process that involves the breaking down and movement of rock fragments. Which sequence correctly describes the formation of sedimentary rock?

Igneous rocks are categorized by where they form. How does an 'intrusive' igneous rock form compared to an 'extrusive' igneous rock?

The Earth's system is composed of four interacting spheres. Which of these spheres involves the layer of gases surrounding the planet that provides the air we breathe and protects us from the Sun's radiation?

The Rock Cycle describes how rocks change from one type to another over time. If a sample of igneous rock undergoes extreme weathering and erosion, what is the most likely next stage for that material in the Rock Cycle?

Metamorphic rocks are formed through a specific process involving existing rocks. Which of the following best describes how a metamorphic rock is created?

The Earth's mantle is the thickest layer of the planet. Even though it is mostly solid, it can flow very slowly. This semi-solid movement is caused by which process?

The Earth's core is divided into two distinct sections. Which statement accurately describes the difference between the inner core and the outer core?

The geosphere is made up of different compositions. Which of the following describes the chemical components typically found in the Earth's core?