CHAPTER 8 VOCABULARY REVIEW

QUIZ TODAY!!!

The remains or physical evidence of an organism preserved by geological

processes

FOSSIL

WORD DESCRIBING A SPECIES THAT DIES OUT

EXTINCT

THE STANDARD METHOD OF DIVIDING EARTH’S LONG

HISTORY INTO PARTS

GEOLOGIC TIME SCALE

ANY method of determining whether an event or object is older or younger than others.

RELATIVE DATING

FOR EXAMPLE:

A TRILOBITE IS OLDER THAN A TRICEROTOPS!

ANY method of measuring the age of an object event in years, such as using the atomic half-life.

ABSOLUTE DATINGDecember 14th, 1925,

February 1st, 1984

CARBON DATING

ATOMIC HALF-LIFE DATING

HOMONID that lived about 230,000

AUSTRALOPITHECINE

SCIENTISTS WHO USE FOSSILS TO STUDY THE HISTORY OF LIFE

BEFORE HUMANS

palentologist

A NEW TYPE OF PROTHARYOTIC ORGANISM THAT APPEARED ABOUT 3 BILLION YEARS AGO

CYANOBACTERIA

THE THEORY THAT EXPLAINS HOW LARGE PIECES OF THE EARTH’S CRUST MOVE AND CHANGE SHAPES

PLATE TECTONICS

THE ERA CALLED THE “AGE OF REPTILES”

MESOZOIC ERA

THE ERA FOLLOWING THE MESOZOIC; IT MEANS “RECENT LIFE”

CENOZOIC ERA

• THE PERIOD FROM THE FORMATION OF THE EARTH TO 524 MILLIONS YEARS AGO

PRECAMBRIAN TIME

THE REA FOLLOWING PRECAMBRIAN TIME; IT MEANS “ANCIENT LIFE.”

PALEOZOIC ERA

AN EVENT THAT MAY BE CAUSED BY EXTREME CHANGES IN CLIMATE

MASS EXTINCTION

• WHAT CONTINENTS AND OCEANS RIDE ON TOP OF

TECTONIC PLATES

TODAY IN SCIENCE1. YOU WILL NEED YOUR OWN SHEET OF PAPER

2. PLEASE NUMBER IT 1-24

3. MAKE SURE YOUR NAME IS ON YOUR ANSWER DOCUMENT!

4. HAND YOUR TEST INTO THE BLUE BIN, PUT YOUR ANSWER SHEET INTO THE PURPLE BIN AND PICK UP AN ARTICLE FROM THE CLEAR BIN.

5. AFTER THE QUIZ, COMPLETE CHAPTER 7 REVIEW (FROM THE TEXTBOOK) Pgs. 186-187 # 1-23