Sophia was studying with Maalik about the layers of the Earth. They were given several different statements about the layers. Which statement about the layers would they identify as correct?

• The outer core is less than 70 km in thickness.

• The crust assists in forming Earth’s magnetic field.

• The mantle is denser than the crust.

• Pressure increases when moving from the core to the crust.

What may occur when convergent boundaries interact?

• formation of island chains

• creation of mid-ocean ridges

• creation of convection currents

• formation of rift valleys

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which indicates how evidence of climate change supports the theory of continental drift?

• coal fields in several continents

• volcano formation

• glacial evidence found in South Africa

• folded mountains in Africa and South America

Which statement best describes the theory of plate tectonics?

• Plates sometimes move closer to one another.

• Sections of Earth that shift are part of Earth’s asthenosphere.

• Sections of Earth’s continents are in slow, constant movement.

• Parts of the ocean floor move as they are carried by rift valleys.

Tags

NGSS.MS-ESS2-3

Which feature forms when magma cools beneath Earth’s surface?

• geysers

• calderas

• batholiths

• vents

Which is one piece of evidence of seafloor spreading?

• fossil material

• continent material

• drilled core samples

• ocean water samples

Tags

NGSS.MS-ESS2-3

Which statement describes one event that happens at deep-ocean trenches?

• Crust is formed.

• Mountains are formed.

• Seafloor spreading occurs.

• Denser plates slide under lighter plates.

When were Earth’s landmasses first recognizable as the continents we know today?

• 10 million years ago

• 135 million years ago

• 180 million years ago

• 300 million years ago

Tags

NGSS.MS-ESS2-3

Which is one step that geologists use to find the epicenter of an earthquake?

• They look at data from at least one seismograph.

• They measure the difference between arrival of P waves and S waves.

• They draw circles around the epicenter from three locations.

• They obtain information about the intensity of earthquakes from seismographs.

Which increases along faults and leads to rock breaking?

• damage

• earthquake

• focus

• stress