Plate Tectonics Overview

<p>Island (A)</p> Signup and view all the answers

<p>An elevated area with a flat top and at least one steep side. (A)</p> Signup and view all the answers

<p>Solar System (C)</p> Signup and view all the answers

<p>Gravity (B)</p> Signup and view all the answers

<p>It must clear its orbital path and orbit a star. (A)</p> Signup and view all the answers

<p>Terrestrial and Jovian Planets (B)</p> Signup and view all the answers

<p>A group of stars that appear close together in the sky. (A)</p> Signup and view all the answers

<p>Plasma (C)</p> Signup and view all the answers

<p>4.5 billion years ago (A)</p> Signup and view all the answers

<p>Photosphere (A)</p> Signup and view all the answers

<p>Nuclear Fusion (D)</p> Signup and view all the answers

<p>Photosphere (D)</p> Signup and view all the answers

<p>1.8 million °F (1 million °C) (A)</p> Signup and view all the answers

<p>Cyclic changes in magnetic field strength (A)</p> Signup and view all the answers

<p>93 million miles (150 million kilometers) (B)</p> Signup and view all the answers

<p>8 minutes (A)</p> Signup and view all the answers

<p>Radiative Zone (A)</p> Signup and view all the answers

<p>Convection currents in the mantle (B)</p> Signup and view all the answers

<p>Ability to measure plate movement in centimeters per year (D)</p> Signup and view all the answers

<p>It is a widely accepted theory explaining changes in Earth's surface. (D)</p> Signup and view all the answers

<p>Rift valleys (A)</p> Signup and view all the answers

<p>Convergent (C)</p> Signup and view all the answers

<p>Earthquakes (B)</p> Signup and view all the answers

<p>San Andreas Fault (A)</p> Signup and view all the answers

<p>The oceanic plate sinks beneath the continental plate. (D)</p> Signup and view all the answers

<p>Any naturally occurring physical feature of Earth's terrain (D)</p> Signup and view all the answers

<p>Both internal factors like plate tectonics and external factors like erosion (C)</p> Signup and view all the answers

Gradual inclines of the ocean's floor that extend inland.

A land area that juts away from the mainland and is surrounded by water on three sides.

Land with a steep slope extending extremely high above the surrounding terrain.

Flat, low-lying land between hills or mountains with a V-shape or U-shape form.

A vast body of saltwater that covers most of the Earth's surface.

A celestial body that orbits a sun and is spherical due to its gravity.

A minor planet made of metal, rock, or both, that orbits the sun.

The first stage in star formation, formed from collapsing hydrogen gas.

A powerful explosion occurring at the end of a high-mass star's life cycle.

A group of stars that appear close together in the sky.

Theory explaining the movement of Earth's plates on the mantle.

Heat-driven movement in the mantle that causes plate motion.

The rigid outer layer of the Earth, including the crust and upper mantle.

The semi-fluid layer beneath the lithosphere allowing plate movement.

Where two tectonic plates push toward each other, creating subduction or collision.

Where two tectonic plates move apart, creating new crust.

Where two plates slide past each other, causing friction and earthquakes.

An area where one tectonic plate sinks beneath another.

Physical characteristics of Earth formed by tectonic movement.

Study of landforms and their formations over time.

Groups of stars formed due to gravitational attraction from the same nebula.

A medium-sized yellow star at the center of our solar system.

Masses of gas and dust where stars, including the Sun, form.

The hottest part of the Sun where nuclear fusion occurs.

Layer where photons bounce around, taking thousands of years to move.

Layer where heat reaches the surface through convective cells.

Visible surface of the Sun with a temperature of about 10,500 °F.

The Sun's 'atmosphere' with temperatures between 11,000 °F and 36,000 °F.

The outer layer of the Sun extending into the solar wind.

Sunlight takes about eight minutes to reach Earth.