A Model
What is a model used to study the History of Earth that divides this history into blocks
Geological Time Scale
What is the process of determining weather a rock, fossil or event is older or younger than another?
Which layer in a Mountain is the oldest?
The bottom
A representation of an object or process that makes important aspects easier to observe?
Model
True or False
Many dinosaurs went extinct at the end of the Mesozoic Era.
True
What Era were did Dinosaurs live?
Mesozonic
What is relative dating?
How do layers in a mountain form?
Sediments setting at the bottom of the ocean floorr and the pressure from the top pressing the layers down to form rock.
a well tested explanation of scientific observation and experiment that is supported by a large amount of evidence
Scientific Theory
Explain why scientist models for Earth’s history helpful.
The geologic time scale and the clock model rely on absolute and relative dating of rocks and fossils
If all of earths history was condensed into 12 hours what would you see 2nd?
Plants
Reliable method for dating fossils or rocks?
Both relative and absolute dating
Where in a hill would you find a T-rex?
Middle
Rock Strata
Layers of rock
What was the steps in the solar system forming?
1.Cloud of Dust and gas
2.Solar system formation
3.Spinning disc
4.Early solar system
5.Solar System today
What Period did plants live in?
Silurian
Based on a set pattern of radioactive decay
Absolute Dating
What is the the name of the oldest fossil?
Stromatolite
Data or information that either supports or counters a scientific theory or idea
Scientific Evidence
A newly formed rock has more lead or uranium?
Uranium
The oldest fossil of modern humans are how old?
200,000 years old
Need to compare the location of the rock or fossil to another location to determine age
Which of the following events was the last to occur?
D. Meteorites bombarded Earth
A discription of a natural phenomenon that has been repeatdly tested and apeers to be with out exception
Scientific Law
the geological process in which earthen materials are worn away and transported by natural forces such as wind or water.