Plate tectonics Crossword

a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
a rigid layer of the Earth's crust that is believed to drift slowly
the branch of geology studying the folding and faulting of the earth's crust
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
property used to characterize materials in reactions that change their identity
of or relating to or characteristic of the crust of the earth or moon
the chemistry of the earth's crust
geologist who uses physical principles to study the properties of the earth
adj relating to ocean depths from 2000 to 5000 meters
is an expert in the field of geology, the study of what the Earth is made of and how it was formed.
Things that have something to do with the ocean are
the process of covering the earth with glaciers or masses of ice
something, you process it so it can be used again.
a place where organisms live.
a large continuous extent of land