Earth's Age

Absolute dating can find the?

Tags

NGSS.HS-ESS1-6

As an example of sedimentary layers, what would be the oldest layer? Newest?

• The bottom is the oldest and the top the newest

• All the same age

• None of the above

• The oldest is the top and the newest the bottom

Tags

NGSS.MS-ESS1-4

What two methods are used for determining the age of rocks and fossils?

• 1. Relative and Absolute Dating

• Carbon and Water Dating

• 1. Sedimentary and Igneous Rocks

• Spatial and Layered Dating

Which of the fossils is the oldest?

• Trilobite

• Fish

• Plant

• Mammal

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What does relative age tell us about a rock layer or fossil?

• The age of one rock layer or fossil compared to another.

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

What does absolute age tell us about a rock layer or fossil?

• The 'exact' age of a fossil determined by radiometric dating

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

Which fossil would be most useful in determining the relative age for the rocks in these geologic columns?

(Hint: Which would serve as an index fossil?)

• Ammonite

• Branchiopod

• Trilobite

• Turritella

Tags

NGSS.MS-ESS1-4

Law of Superposition

• The age of a rock given as the number of years since the rock formed.

• What forms magma?

• What forms sediments?

• The geologic principle that states that in horizontal layers of sedimentary rock, each layer is older than the layer above it and younger than the layer below it.

Tags

NGSS.MS-ESS1-4

What is the estimated age of the Earth according to scientific consensus?

• 4.5 billion years

• 3.5 billion years

• 2.5 billion years

• 1.5 billion years

Tags

NGSS.HS-ESS1-6

Which method is primarily used to determine the absolute age of Earth?

• Radiometric dating

• Carbon dating

• Stratigraphy

• Dendrochronology

Tags

NGSS.HS-PS1-8