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 landmasses move, like when Pangea broke apart.

• plate shift

• continental drift

• land transference

• andmass movement

Tags

NGSS.MS-ESS2-3

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

• Lava Circuit

• Ring of Fire

• Circle of Volcanoes

• Earthquake Zone

Tags

NGSS.MS-ESS3-2

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

• trench

• fracture zone

• mid-ocean ridge

• continental shelf

Tags

NGSS.MS-ESS2-3

The theory of plate tectonics says that rigid pieces of the lithosphere, called _________, move across the Earth’s surface very slowly.

• landmasses

• tectonic plates

• Wegener regions

• lithosphere pieces

A trench forms at what kind of plate boundary?

• convergent

• divergent

• spreading

• transform

Volcanoes form at __________ boundaries, when one plate _________ another and melts, forming magma pockets just below the surface.

• spreading; pulls away from

• transform; rubs against

• divergent; slides over

• convergent; sinks beneath

Tags

NGSS.MS-ESS2-1

Earthquakes _______ stress at _________ boundaries caused by the friction created when two plates try to move parallel to each other in opposite directions.

• uild up; convergent

• relieve; transform

• alleviate; divergent

• increase; subduction

Tags

NGSS.MS-ESS3-2

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-ESS2-3

NGSS.MS-ESS3-2

a well-established group of ideas or models that is supported by a large amount of evidence and that can be used to explain many different phenomena

• scientific theory

• subduction

• criteria

• seafloor spreading

Tags

NGSS.HS-ESS1-2