Earth Science chapter 8

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

In the early 20th century, Alfred Wegener proposed the theory of...

Continental drift

Hypothesis by Alfred Wegener

continental drift

Island arcs from at _____ boundaries

convergent

Plates come together at _____ boundaries.

convergent

The Himalayas are getting higher because of _____ boundaries.

convergent

Trenches form at _____ boundaries

convergent

mountains (above sea level) that contain volcanoes would be found at _____ boundaries.

convergent

subduction zones occur at _____ boundaries.

convergent

Ocean ridges form at _____ boundaries.

divergent

Plates move apart at ____ boundaries.

divergent

new sea floor is created at _____ boundaries.

divergent

the age of the crust increases as you move away from _____ boundaries.

divergent

sea floor spreading is...

driven by convection cells, creates new crust along mid-ocean ridges, helps explain continental drift

Four lines of evidence that Wegener used to support his theory are...

fit of the continents, rock type, fossils, and climate

when two ocean plates converge, the one that subducts is _____

more dense

In which layer of the Earth are the convection currents located (specifically)?

Asthenosphere

plasticlike layer of mantle

Asthenosphere

Layer of solid iron

Inner core

top layers of the Earth, broken into pieces

Lithosphere

Alfred Wegener's supercontinent is called _____

Pangea

Means "all lands"

Pangea

Supports idea that newest seafloor is at ridges

Seafloor spreading

Where the old crust moves into the Earth

Subduction Zone

Magnetic field is created

outer core

Earth's lithosphere is broken into separate sections called

tectonic plates

Crust is neither created or destroyed at _____ boundaries.

transform

Earthquakes and possible fault lines are the only feature(s) at _____ boundaries.

transform

plates slide past one another at _____ boundaries.

transform

volcanic activity would not be present at _____ boundaries.

transform


Set pelajaran terkait

Learn It: Chapter 10: Designing Organization Structure

View Set

Organizational Behavior 2E Chapter 2

View Set

A and P 1 - Chapter 8 (Appendicular Skeleton)

View Set