Time scale
What is the largest unit of time?
An eon
True or False: Changes in fossil records show changes in time.
True
What was the supercontinent on Earth known as?
Pangaea
How old do scientists believe the Earth is?
Billions of years old
What is the second largest unit of time?
An era
What are the four categories of the time scale?
Eons, Eras, Periods, and Epochs
What is the separation of species in different locations known as?
Geographic Isolation
According to the Bible, how old do we believe the Earth is?
6,000-12,000 years old
What are eras divided into?
Periods
What is geology?
Geography is the study of land.
What is a land bridge?
A land bridge connects two continents that were previously seprated.
Using the Bible, on which day did God create the Earth?
God created the Earth on the third day
What do fossil records indicate?
They show divisions in time in which they lived.
What caused the mass extinction of dinosaurs on Earth?
Analogy: Eras are to Eons, as minutes are to what?
Hours
On which day did God create the Sun, moon, and stars?
God created the sun, moon, and stars on Day 4
What is the order of rock layers called?
Superposition
Sudden changes in the rock record indicate what?
They indicate times when large populations of organisms died or became extinct.
True or False: Did humans evolve from monkeys?
False
On what day did God rest?
The 7th day.