Earth Science Concepts

Front

Alfred Wegener

Back

The scientist who introduced the concept of moving continents and the former supercontinent called Pangea.

Front

Asteroids

Back

Rocks or chunks of metal ranging in size from a foot to several miles wide that orbit the Sun.

Front

Comets

Back

Icy objects in space that orbit the sun.

Front

Constructive processes

Back

Processes that contribute to the formation or reshaping of landforms.

Front

Continental crust

Back

Crust found on land, thicker but lighter than oceanic crust.

Front

Core

Back

The center of the Earth.

Front

Global Seismographic Network

Back

monitors earthquakes worldwide.

Front

Habitats

Back

homes where organisms live.

Front

Relative age

Back

The age of one object compared to the age of another object.

Front

Relative dating

Back

Using relative age to date objects and strata; dating rock strata by layers for dating fossils by index fossils.