ES Semester 1 Final

Which of the following is not one of the major studies of Earth and Science?

• Metrology

• Geology

• Oceanography

• Biology

The study of materials that make Earth and the processes that form and change them is

• Biosphere

• Astronomy

• Geology

• Oceanography

Which system of Earth is primarily composed of gasses?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

Which of the following best describes the cause of convection currents?

• Differences in pressure

• Differences in temperature

• Differences in salinity

• Differences in wind speed

What is the process called when one tectonic plate moves under another?

• Obduction

• Subduction

• Abduction

• Reduction

This happens when Earth's magnetic field changes

• Pangea

• Magnetic Reversal

• Paleomagnetism

• Continental Drift

Which of the following is the correct order of geologic time units from largest to smallest?

• Era, Period, Epoch, Eon

• Eon, Era, Period, Epoch

• Epoch, Period, Era, Eon

• Period, Epoch, Era, Eon

Which era is known for the dominance of mammals and following the extinction of Dinosaurs?

• Mesozoic

• Paleozoic

• Cenozoic

• Proterozoic

In a sequence of undisturbed sedimentary rocks, which layer is the youngest?

• The bottom layer

• The middle layer

• The top layer

• All layers are the same age

What is the primary advantage of absolute dating over relative age dating?

• It provides a more detailed rock layer sequence

• It gives an exact age in years

• It uses fossils for dating

• it is less expensive