Geologic History Part 1

Which type of dating method can be used on rock layers by applying the Law of Superposition?

• relative dating
• absolute dating
• radioactive dating
• radiometric dating

Scientists use radioactive decay to measure...

• relative time
• absolute time
• half-lives
• time of day

How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

April is older than Zack, who is older than Rick.  This is an example of:

• Relative Dating
• Absolute Dating
• Law of superposition
• radiometric dating

The time scale of Earth History is called the:

• Earth Time Scale
• Geologic Time Scale
• Earth History Time Scale
• Radiometric Time Scale

During which era/eon did the dinosaurs live and die?

• Paleozoic
• Pre-Cambrian
• Mesozoic
• Cenozoic

During which era/eon do humans live in?

• Cenozoic
• Pre-Cambrian
• Paleozoic
• Mesozoic

During which era/eon did life on land first evolve?

• Paleozoic
• Pre-Cambrian
• Mesozoic
• Cenozoic

Which type of dating gives us the age of an item in exact years?

• Radioactive or Absolute
• Relative

Relative dating of rock layers tells us that the deeper we dig, _______.

• the younger the rocks get
• the smellier the rocks get
• the harder the rocks get
• the older the rocks get