Geologic Time Proficiency Exam

Using your knowledge of relative age dating and index fossils put these 3 layers of stata and an unconformity in order.

 

The 1st thing is the oldest and the 4th thing is the youngest.

All layers of rock are perfectly flat still.

• the shale with paradoxidies

• • the mudstone with bathyurus

• • an unconformity

• • the limestone with mucrospirifer

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which period of geologic time is missing, creating the "unconformity" in the sequence.

• Cambrian Period

• Silurian Period

• Ediacaran Period

• Devonian Period

Tags

NGSS.MS-ESS1-4

Using A=LN calculate the age of this Tyrannosaurus Rex femur in millions of years

 

Round to 2 decimal places

Okay so we have an calculate absolute age for our Tyrannosaurus Rex femur. Is our age accurate?

 

Tyrannosaurus Rex only lived from 71 mya to the end of the Cretaceous period. Using your knowledge of the geologic timescale is the age of this fossil femur reasonable?

• Yes, my calculate age falls between 71 mya and the end of the cretaceous period at 66 mya.

• No, my calculate age falls outside 71 mya and the end of the cretaceous period at 88 mya.

• Yes, my calculate age falls between 71 mya and the end of the cretaceous period at 60 mya.

Tags

NGSS.MS-ESS1-4

Astronomers estimate that the Universe has been in existence approx. 13.7 billion years (13,700,000,000). What percentage of the Universes’ existence has the Earth, which is 4.5 billion years old, (4,500,000,000) been around?

 

Round your answer to two (2) decimal places.

According to the timeline modern humans first evolved 2.0 million years ago (2,000,000). What percentage of geologic time have human beings been on Earth which is 4.5 billion years old (4,500,000,000)?

 

Round your answer to two (2) decimal places.

Tags

NGSS.MS-ESS1-4

Geologists constructed the geologic time scale using 2 key dating methods. For each geologic dating method drag its supporting evidence into its area. Each dating method will have equal amounts of evidence and their are no fake answers.

Groups:

(a) Relative Age Dating

,

(b) Absolute Age Dating

• Used to put an exact age e.g. (20 million) on things.

• Used to establish eons, eras, and periods of geologic time.

• Uses properties of atoms and mathematics

• Used to determine the beginning and ending of each eon, era, and period of geologic time.

• Used to put things in order.

• Uses logic, observation, and reasoning

Tags

NGSS.MS-ESS1-4

What is the correct order of events in this stratigraphic column?

The first letter you type is the first or oldest event.

Tags

NGSS.MS-ESS1-4