Science Vocabulary Crossword

The earliest 4.06 billion years of earths history
1st geological time period of the Paleozoic era it lasted 53 million years
In this law the youngest layer is on top and the oldest on the bottom
Method of dating rocks and minerals using radioactive isotopes
The process of determining an age on a specified chronology and archaeology and geology
Science of determining the relative order of past events
A unit of time equal to 1 billion years
The Mesozoic ___________
The beginning of a distinctive period in the history of someone or something
A length or portion of time
Hot molten ___________ erupted from a volcano
Hot flood from within the earth's crust
A mountain that releases hot law
What causes earthquakes and mountains to form
The tectonic _________
_______ is the cause of most earthquakes
Science that deals with earth physical structure and substance
Being eroded by wind, water, etc.
Wear away or change the appearance or texture of
Matter that settles to the bottom of a liquid
Process in which sediments, soil and rocks are added to a land form
Vertical elevation of the earth surface in response to natural causes
Formation of new areas of Oceanic crust
An underwater mountain range
Forms from Depostion and solidification of sediments
Forms when magma cools
Rock that forms under extreme heat or pressure
And idealized cycle of processes undergone by rocks