Spheres, Rocks, Fossils

Front

The mostly solid, rocky part of the Earth; extends from the center of the core to the surface of the crust.

Back

Geosphere

Tags

NGSS.MS-ESS2-3

Front

The crust and very top part of the mantle.

Back

Lithosphere

Tags

NGSS.MS-ESS2-3

Front

Part of Earth in which life exists including land, water, and air or atmosphere.

Back

Biosphere

Tags

NGSS.MS-LS2-3

Front

All the water on earth

Back

Hydrosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

A thin layer of gases surrounding Earth

Back

atmosphere

Tags

NGSS.MS-ESS2-5

Front

In a sequence of undisturbed sedimentary rocks, the oldest layers are at the bottom and the youngest ones are at the top.

Back

Law of superposition states

Tags

NGSS.MS-ESS1-4

Front

Fossils of widely distributed organisms that lived during only one short period and easy to distinguish from other fossils.

Back

index fossil

Front

The age of an event or object in relation to other objects

Back

relative age

Front

Used to find the absolute age of rock based on comparing the amounts of unstable, radioactive particles to stable particles / igneous rocks only.

Back

Radiometric dating

Front

The actual age of an event or object / use radioactive dating

Back

absolute age

Tags

NGSS.HS-PS1-8