Geological Time Scale!

Finding the age of a rock or event WITH OUT using an exact date?

• relative dating

• carbon dating

• uranium dating

• absolute dating

In which time period are we currently living?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Jellyfish are one of the oldest species on Earth. In what time period did they first appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

In what time period did Pangaea, the super continent, appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Which fossil is the youngest?

• fossil A

• fossil B

• fossil C

• fossils A and B are the same age

What is the importance of studying fossils?

• to provide information about how current life forms would exist in previous environmental conditions

• to provide information about how life and environmental conditions may have changed

• to provide information about how previous life forms would exist in current environmental conditions

6. A branch of geology dealing with the arrangement of sedimentary rock layers or strata?

• Stratigraphy

• Geography

• Photography

• Biography

Geologists assume the newest rock layers are on top of the older ones, unless some type of disturbance occurs, in known as …

• Law of Inclusions

• Law of Crosscutting

• Law of Conservation

• Law of Superposition

Determines the “relative” order of past events but not the absolute age.

• Absolute age

• Relative age

• Real age

• New age