Weekly Review #7

An increase in the transparency of Earth’s atmosphere is often caused by

• a decrease in cloud cover

• a decrease in solar radiation

• an increase in airborne dust particles

• an increase in the duration of insolation

The arrival time of the first earthquake P-wave at a seismograph station was 10:11:20 (hours:minutes:seconds). If the epicenter of the earthquake is 8000 km away, what was the approximate arrival time of the first S-wave from this earthquake?

• 10:02:00

• 10:09:20

• 10:20:40

• 10:32:00

The diagram below represents the intensity of the shaking that occurs on different Earth surfaces during the same earthquake. The greatest earthquake hazard to homes exists when they are built on

• hard igneous rock

• sedimentary rock

• coarse sediments

• silt and mud

Tags

NGSS.MS-ESS2-2

Which tectonic plate boundary is best represented by this diagram?

• Nazca Plate and Pacific Plate boundary

• Scotia Plate and South American Plate boundary

• Juan de Fuca Plate and North American Plate boundary

• Antarctic Plate and Indian-Australian Plate boundary

Tags

NGSS.MS-ESS2-3

Compared to the oceanic crust, the continental crust is

• more dense and more mafic

• more dense and more felsic

• less dense and more mafic

• less dense and more felsic

Tags

NGSS.HS-ESS1-5

Most of the sediment that is compacted and later forms shale bedrock is

• clay

• silt

• sand

• pebbles

In which two Earth regions is oxygen the second most abundant element by volume?

• crust and hydrosphere

• hydrosphere and troposphere

• troposphere and core

• core and crust

A 65.5-million-year-old impact crater in Mexico provides evidence for the cause of the

• breakup of Pangaea

• evolution of the earliest corals

• Alleghenian orogeny

• extinction of ammonoids

Tags

NGSS.MS-LS4-1

The graph below shows the decay of a radioactive material over time. How long does it take for this radioactive material to decay through 2 half-lives?

Tags

NGSS.HS-PS1-8

A landslide is an example of

• river deposition

• glacial scouring

• mass movement

• chemical weathering

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2