The preserved remains or traces of an organism.
What is a fossil.
The age of a rock compared to other rocks.
What is relative age.
The method used to determine the absolute age of rocks.
What is absolute dating
What law is used to determine these relative ages?
What is law of superposition
The amount of matter in something
Mass
A hollow imprint that shows the shape of an organism.
What is a mold
Useful fossils that help to tell the relative ages of the rocks found in the same area
What are index fossils
The breakdown of a radioactive isotope into a stable isotope.
What is radioactive decay
Who is the youngest?
What is the fish and reptile
Density equation
What is mass divided by volume
An example of this type of fossil would be footprints.
What is a trace fossil.
An intrusion is always _________ than the rocks around it.
What is younger.
A scientist uses what to find a more precise age of a fossil
What is radioactive dating/Absolute dating
What claim can you make about the whale
What is it's older than all other layers because it was deposited first
calculating the volume of an irregularly shaped object
What is water displacement
A fossil formed when minerals replace all or part of an organism.
What is a petrified fossil.
Determining the actual age of an event or object in years.
What is radioactive dating/absolute dating
Finding a shell fossil in a desert tells us what?
Layers from oldest to youngest
What is E,C,B,D,A
X-Axis Variable
What is independent variable?
The state fossil of Missouri
The crinoid
Explain how the Law of Superposition is used to determine the relative ages of sedimentary rock layers.
What is the oldest layer is that the bottom, and each higher layer is younger than the rocks below it.
Name for an ancient Large landmass where all the continents were once connected?
What is Pangea
Layer D
What is a cross-cutting relationship
y-axis variable
What is dependent variable