All About Fossils
Fossils and layers
Fossil Formation
Dating Fossils
Pick Me!
100
True or False: the fossil record is complete.
What is false? The fossil record only contains a small fraction of all the organisms to ever exist on earth.
100
These fossils show preserved evidence of an organism's activity.
What are trace fossils?
100
What type of fossil are animal footprints an example of?
What are trace fossils?
100
Comparing rock layers to those above or below to figure out the ages.
What is relative-age dating?
100
A group of rock layers that are placed in order of their relative ages
What is a geologic column?
200
True or False: Birds and other animals are part of the fossil formation process?
What is True? Along with natural decomposition, birds and animals cause soft tissue and muscles to expose the bones below.
200
placing rock layers in order of oldest to youngest
What is relative dating?
200
It is a fault and the youngest feature in the outcrop? Whci layer am I?
What is a Layer G?
200
The fossils in the rock layers deeper in the ground are usually__________ than the ones above them.
What is older?
200
A location where two lithospheric plates come together.
What is Convergent Plate Boundary?
300
Used to find evidence of earth's past climate.
What ice cores?
300
When an organism is covered in sand, mud, or under water, and original material is replaced by minerals.
What is mineralization?
300
A mosquito trapped in sap that hardens into ______ is an example of a fossil.
What is amber?
300
The geologist records the relative ages of the rocks. The bottom layer is listed as the oldest. The top layer is listed as the youngest. What did the geologist use to determine the relative ages of the rocks?
What is the law of superposition?
300
Fossils are usually found in this type of rock
What is a sedimentary rock?
400
Even though fossils can be found in different types of rocks, if they look identical, they are _____________.
What is around the same age?
400
When a dead organism is compressed and all liquids and gasses are pushed out, leaving behind an outline.
What is carbonization?
400
Name 2 ways rock layers may be disturbed.
What are tilting, folding, faults, and/or intrusions?
400
a group of rock layers that are placed in order of their relative ages.
What is a geologic column?
400
They are older rock fragments found in a rock layer.
What are inclusions?
500
What are the relative ages of the features in order of oldest to youngest? 
What is layer 1, rock 2, rock 1, fault
500
How does the fossil record of animals compare to animals that exist today?
What are Animals in the fossil record are ancestors of animals that exist today?
500
A tooth is an example of what type of fossil formation?
What is original material?
500
It's the principle that tells you that the intrusion is the youngest feature of the outcrop.
What is the principle of cross-cutting relationships?
500
From oldest to youngest, it is the correct order of the features in this outcrop.
What is B, C, D, A, E, F, G?