U2L3 Earth's Tectonic Plates

A statement that’s accuracy can be tested by experiments and through observations is formally called a _______________.

• proposition

• conclusion

• hypothesis

• deduction

Tags

NGSS.MS-LS1-5

The process of _________ occurs when large land masses move, like when Pangea broke apart.

• plate shift

• continental drift

• land transference

• landmass movement

Tags

NGSS.HS-ESS1-5

How did the Appalachian Mountains in North America and the Atlas Mountains in North Africa provide evidence for Pangea?

• Neither range contained fossils prevalent near the equator.

• Both ranges are comprised of a diverse assortment of rock types.

• Neither range had rock layers similar to the mountain ranges found nearby on their own continents.

• Both ranges had similar types, ages, and sequences of rock layers, suggesting that they were formed together and then separated.

Tags

NGSS.HS-ESS1-5

Which of the following statements about Wegener’s hypothesis is NOT true?

• Wegener was the first to come up with the idea.

• Wegner’s hypothesis was supported by the fossil record.

• Wegner was unable to determine what force pulled the continents apart.

• Wegener thought all the continents used to be a single landmass he named “Pangea”.

Tags

NGSS.HS-ESS1-5

Which of the following statements is NOT true of seismic waves?

• Seismic waves are vibrations that result from earthquakes.

• Studying seismic waves helps scientists study the Earth’s interior.

• Seismic waves travel at the same speed regardless of rock density.

• As they pass through rocks of different densities seismic waves change direction slightly.

Tags

NGSS.MS-PS4-2

The crust beneath oceans, _________ crust, is thinner than the crust beneath continents, _________ crust.

• water; land

• aquatic; rocky

• oceanic; continental

• marine; terrestrial

What is the lithosphere?

• another name for Earth's crust

• the part of the mantle near the core where it is hottest

• the outer, rigid part of the mantle and the crust combined

• the part of the core that is closest to the mantle where it is coolest

What is the pattern of earthquakes and volcanoes across the Earth?

• They are both spread evenly across the Earth.

• Earthquakes occur wherever volcanoes do not.

• Volcanoes are found only on islands, and earthquakes are found only in the middle of continents.

• They are both mostly found in narrow zones around the edges of continents and ocean basins and along island chains.

Tags

NGSS.MS-ESS3-2

The Pacific __________ is a region of heavy volcano and earthquake activity.

• Ring of Fire

• Ocean

• Plate

• Basin

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

A chain of volcanic mountains found on the seafloor is called a __________.

• mid-ocean ridge

• continental shelf

• oceanic trench

• seamount

Tags

NGSS.MS-ESS2-3