4.1 Plate Tectonics

What geological changes can occur at convergent boundaries?

• Creation of mountains, island arcs, earthquakes, and volcanoes.

• Formation of deserts and sand dunes.

• Development of coral reefs and atolls.

• Expansion of oceanic trenches and abyssal plains.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What geological changes can occur at divergent boundaries?

• Seafloor spreading, rift valleys, volcanoes, and earthquakes.

• Mountain formation, subduction zones, and deep ocean trenches.

• Tsunamis, hurricanes, and tornadoes.

• Desertification, deforestation, and urbanization.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What geological changes can occur at transform boundaries?

• Earthquakes.

• Volcanic eruptions.

• Mountain formation.

• Tsunamis.

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NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What can maps showing the global distribution of plate boundaries be used to determine?

• The location of volcanoes, island arcs, earthquakes, hot spots, and faults.

• The climate patterns of different regions.

• The population density of coastal areas.

• The economic status of countries.

Tags

NGSS.MS-ESS2-3

An earthquake occurs when stress overcomes a locked fault, releasing what?

• Stored energy.

• Water pressure.

• Magma.

• Seismic waves.

Tags

NGSS.MS-ESS3-2

When was the Earth formed according to scientists?

• 4.6 billion years ago

• 3.5 billion years ago

• 2.8 billion years ago

• 5.2 billion years ago

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What happened when Earth was first formed?

• It was a solid mass

• It was a spinning mass of rocks and dust

• It was covered in water

• It was a gas cloud

What caused intense heat during the formation of Earth's layers?

• Solar radiation

• Volcanic eruptions

• Impacts, radioactive decay, and gravity

• Ocean currents

What is the outermost layer of the Earth called?

• The Crust

• The Mantle

• The Core

• The Lithosphere

What is the thickness range of the Earth's crust?

• 8-32 kilometers

• 5-70 kilometers

• 10-50 kilometers

• 15-60 kilometers