Earth Science Exam Review

According to Wegener's hypothesis of continental drift,

• Earth's surface is made up of seven major landmasses

• the continents DO NOT move.

• Earth is slowly cooling and shrinking.

• the continents were once joined together in a single landmass

Most earthquakes, volcanoes & mountain building occur:

• In the center of continents

• At plate boundaries

• In the Himalayas

• At volcanic island arcs

Plate boundaries that move together are known as ___ boundaries.

• Divergent

• Continental

• Convergent

• Transform

The Mid-Ocean Ridge forms under water at a ___ boundary.

• Transform

• Continental

• Convergent

• Divergent

According to the law of superposition, which layer is the youngest?

• A

• B

• C

What are the relative ages of the features in order from oldest to youngest?

• Limestone, Basalt, Fault, Siltstone

• Siltstone, Fault, Basalt, Limestone

• Limestone, Fault, Basalt, Siltstone

• Limestone, Siltstone, Fault, Basalt

Tags

NGSS.MS-ESS1-4

Surface where rock has eroded away, producing a break in the rock record

• correlation

• inclusion

• superposition

• unconformity

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called _____.

• the daughter product

• geologic time

• the half-life

• the half-time

Tags

NGSS.HS-PS1-8

At night, water that has seeped into a rock freezes and expands. This is the BEST example of...

• Chemical Weathering

• Physical Weathering 

• Erosion

• None of the above

Which of the following is true?

• Oceanic crust is made out of granite

• Oceanic crust is more dense than continental crust

• Continental crust is younger than oceanic crust

• Continental crust is thinner than oceanic crust