Tectonic Plates MS-ESS2-3

NGSS

the soft upper mantle layer under lithospheric plates

The Soft Upper Mantle Layer Under Lithospheric Plates.

Asthenosphere

Asthenosphere Simple Definition

the hypothesis that all the continents are moving very slowly across Earth’s surface

The Hypothesis That All The Continents Are Moving Very Slowly Across Earth’s Surface.

Continental Drift

Continental Drift Simple Definition

a timeline of Earth's history based on major changes

A Timeline Of Earth's History Based On Major Changes.

Geologic Time Scale

Geologic Time Scale Simple Definition

an area where magma melts through the crust above it

An Area Where Magma Melts Through The Crust Above It.

Hot Spot

Hot Spot Simple Definition

a fossil from an organism that existed for a short time, it is used to determine the age of other fossils

A Fossil From An Organism That Existed For A Short Time, It Is Used To Determine The Age Of Other Fossils.

Index Fossil

Index Fossil Simple Definition

the rigid outer layer of Earth made up of the crust and upper mantle

The Rigid Outer Layer Of Earth Made Up Of The Crust And Upper Mantle.

Lithosphere

Lithosphere Simple Definition

a long mountain range on the seafloor formed by lava eruptions through Earth’s crust

A Long Mountain Range On The Seafloor Formed By Lava Eruptions Through Earth’s Crust.

Mid Ocean Ridge

Mid Ocean Ridge Simple Definition

a deep part of the seafloor where a subducting slab bends down

A Deep Part Of The Seafloor Where A Subducting Slab Bends Down.

Ocean Trench

Ocean Trench Simple Definition

the formation of new seafloor by magma at a mid-ocean ridge

The Formation Of New Seafloor By Magma At A Mid-ocean Ridge.

Seafloor Spreading

Seafloor Spreading Simple Definition

Related Chapters