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Vocabulary
Key Concepts
Vocabulary
100
The trace or remains of an organism that lived long ago.
What are fossils?
100
Trees, sea-floor sediments and ice.
What are three ways that scientists can study Earth's climate history?
100
Animal dung that is fossilized.
What is coprolite?
200
A fossilized structure that formed in sedimentary rock by animal activity or in soft sediment.
What are trace fossils?
200
Fossils tell scientists about _______.
What can tell scientists about environmental changes over time?
200
Features on sedimentary rock that record the motion of wind or water waves over sediment.
What are ripple marks?
300
Geologic processes that happened in the past can be explained by current geologic processes.
What is uniformitarianism?
300
Animal tracks, burrows and coprolite.
What are three examples of trace fossils?
300
The weather conditions in the area over a long period of time.
What is climate?
400
This happens when scientist can drill down inot icecaps to collect a long cylinder of ice.
What is an ice core?
400
Continents move and landforms change over time.
What do Earth's surface features tell us?
400
All of the fossils that have been discoverd on earth.
What is fossil record?
500
This happens when an organism's tissues are replaced by minerals.
What is petrification?
500
Trapped in amber, trapped in asphalt, buried in rock, became frozen or became petrified.
What are the 5 ways that organisms can be preserved as fossils?
500
The continents of the Earth formed a single landmass called _________.
What is Pangaea?