Earth Science Regents Review

What is soil made out of?

• Dirt
• Weathered Rock
• Organic Material
• Weathered Rock and Organic Material

What evidence do we have that the Mesozoic era ended with a mass extinction of the dinosaurs? 

• Fossil record
• Cave paintings
• Number of eras
• Rivers

Which part of Earth's core is a mineral that causes the Earth's magnetic field?

• Gold
• Magnetite
• Iron
• Fluorite

What processes can happen to change any rock into a sedimentary rock?

• Weathering and erosion
• Weathering and cooling
• Heat and pressure
• Heat and erosion

An index fossil was found in Africa. The same type of index fossil was found in Asia. What does this tell us?

• This tells us nothing important.
• The rock layer in Africa and Asia were formed during the same time period.
• The fossils are not related.
• The fossils can be found all over the world.

Which type of rock forms at the bottom of a body of water?

• Igneous
• Metamorphic
• Mineral
• Sedimentary

How do scientists figure out the relative age of rocks/fossils?

• Use the Law of Superposition
• Use the Law of Uniformitarianism
• Use Catastrophism
• Use Original Horizontality

Which 2 layers of the Earth form the lithosphere?

• Crust and Core
• Crust and lower mantle
• Crust and upper mantle
• Crust and middle mantle

Which layer of the soil profile has the most humus?

• Organic Layer
• Topsoil
• Subsoil
• Bedrock

Why is the Atlantic Ocean slowly getting bigger each year?

• Transform Boundary
• Convergent Boundary
• Trenches
• Seafloor Spreading