Earth Sciences Unit II Quiz

The origin and evolution of the earth, the interior of the earth, Wegener's continental drift theory and plate tectonics, earthquakes and volcanoes

The Big Bang Theory

False (B)

<p>13.7</p> Signup and view all the answers

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

<p>Differentiation is the process by which the earth's interior separated into layers based on density.</p> Signup and view all the answers

<p>The Earth's surface was initially a barren, rocky, and hot object with a thin atmosphere.</p> Signup and view all the answers

<p>The initial Earth's atmosphere was mainly composed of hydrogen and helium.</p> Signup and view all the answers

<p>NASA</p> Signup and view all the answers

<p>Scientists want to study the composition of cometary dust to gain insights into the early solar system and the origins of life.</p> Signup and view all the answers

<p>From a comet's coma, which is the atmosphere surrounding the comet.</p> Signup and view all the answers

Process by which planets are formed from dust and gas.

Theory that describes the origin of the universe through a massive explosion.

Theory that planets formed from clouds of gas and dust around a young sun.

A point of infinite density and temperature believed to exist before the Big Bang.

Large systems of stars, dust, and gas bound together by gravity.

Distance light travels in one year, about 9.461 trillion km.

Process by which planetesimals collide and merge to form planets.

Transition of the Earth's atmosphere from primordial to the current state.

Release of gases from Earth's interior to form the atmosphere.

Process used by plants to convert light energy into chemical energy and oxygen.

Process by which water collects in depressions, forming Earth's oceans.

The beginning of life through chemical reactions that formed complex organic molecules.

The original atmosphere of Earth, primarily made of hydrogen and helium.

Process by which the Earth cooled and formed its internal layers.

A cloud of gas and dust from which the solar system formed.

The organized internal structure of the Earth, including the crust, mantle, and core.

The swift growth of the universe right after the Big Bang.

Mainly consists of nitrogen and oxygen, crucial for life.

Process where clumps of gas in a nebula become dense enough to fuse hydrogen.

A timeline that describes Earth's history and the evolution of life.

The process by which the Earth's surface temperature lowered to allow solidification.

Steps in the creation of planets, including accretion and differentiation.

Streams of charged particles released from the Sun affecting the atmosphere of planets.

Elements that sunk towards Earth's core during its formation.

Stars, planets, and other celestial objects primarily made of gas.

Tiny particles found in space that contributed to forming celestial bodies.

Factors affecting the development of planets, such as gravity and collisions.

Gradual development of life forms from simple to complex over time.

A rapid decrease in the biodiversity on Earth due to catastrophic events.