Vocab 1
What is uniformitarianism?
A geologic process that happened in the past that can be explained by a current geological process.
What do the rings on a tree tell you?
How old it is and what the climate was like.
Ice shows the condition in the atmosphere.
TRUE
What is a Trace Fossil?
A fossilized structure that forms in sedimentary rock by animal activity on or inside of soft sediment.
If a tree ring is thick what does it mean? What about if it is thin?
Thick- Grew well and lots of rain.
Thin- growing conditions were poor.
Sandstone is made of rock.
FALSE - SAND
What is a fossil record?
All the fossils that have been discovered on earth.
What happens to the trunk of a tree every year.
a new layer of wood is added
Dissolved minerals DO NOT act like cement and hold things together.
FALSE - THEY DO
What is Pangea?
A continent that formed a single landmass.
What happens to the sea-floor after organisms die?
Fossil remains build up on the sea-floor as layers.
Pangea broke apart over 200 million years ago.
TRUE
What is climate?
A area that describes weather conditions in a area over a long are of time.
What is a ice core?
A long drilled cylinder of ice.
Layers DO NOT deposit on top of other layers then compact.
FALSE - THEY DO