Fossils
Time Scales
Layers
100

What happens after the Organism Dies?

Spaces gets filled in with Minerals from Groundwater 

100

What Era did Dinosaurs come from?

Mesozoic 

100

New Sediment creates on the Older or Younger Layers?

Older

200

How does a Cast get Created?

Sediment & Minerals Harden

200

What is the Oldest Era?

Precambrian

200

What does the Principal of Superposition only work on?

When Rock Layers haven’t been Disturbed 

300

True/False: Coal we burn for Heat is actually made of Fossilized Animals Remains 

True

300

Who created the Theory of Natural Selection?

Charles Darwin

300

What can a Fault do?

Break apart Rock Layers or Shift, Fold or Invert(Flip) Layers

400

What is Radioactive Decay?

When Elements break down 

400

What was it called when Sea Levels dropped and the Continents were Squeezed Together into a huge Landmass?

Pangaea 

400

In The Rock Layer what Comes in Order?

Oldest to Youngest 

500

True/False: Index Fossils lived on Earth for a Long and Specific Time Period

False

500

True/False: The Paleozoic Era was the Second Era

True

500

What does the Principal of Superposition state?

Oldest Rocks are at the Bottom & Youngest Rocks are at the Top