Rocks and Layers of the Earth

What is the correct order (starting from the surface) of Earth's layers?

• crust, mantle, inner core, outer core

• mantle, outer core, inner core, crust

• inner core, outer core, mantle, crust

• crust, mantle, outer core, inner core

The crust and the uppermost mantle make up the solid layer of hard rock called the

• inner core

• asthenosphere

• lithosphere

• outer core

What layer is shown by letter A?

• Crust

• Mantle

• Outer core

• Inner core

What layer is shown by letter B?

• Crust

• Mantle

• Outer core

• Inner core

Rock layers can be disturbed by

• Extrusions

• Unconformity

• Eroision

• All of the above

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

A folded rock can wear away, allowing new layers to be laid down

on much older rocks. The meeting of these two rock layer creates an

unconformity—a gap in the rock record. Which process wears away

these older rock layers?

• erosion

• fault

• eruption

• igneous intrusion

Tags

NGSS.MS-ESS2-2

Look at the picture. The horizontal patterns shown in the rock layers are caused by ________.

• layers formed at different times

• layers formed at similar times

• water, wind, and erosion

• different/similar materials due to different conditions on Earth

Tags

NGSS.MS-ESS1-4

Which of the following states that layers of rock are continuous until they encounter other solid bodies that break their deposition or until they are acted upon by agents that appeared after deposition occured?

• principle of inclusion

• law of superposition

• lateral continuity

• original horizontality

• cross cutting

Gaps in rock layers caused by erosion are called __?__.

• law of superposition

• unconformities

• uniformitarianism

• relative dating

Rock layers with seashells are found on top of a mountain much higher than sea level. Which most likely caused this?

• deposition

• erosion

• fault

Tags

NGSS.MS-ESS2-2