Origin and Structure of Earth Science Concepts
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Questions and Answers

______ barked

dog

______ meowed

cat

Hypothesis – Proposition that requires ______ to be proven

experimentation

Model – Representation of anything that explains the ______

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

Age of the universe: 13.7 billion ______

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

Georges Lemaitre formulated the BIG BANG ______

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

The universe began from a single primordial ______

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

Arno Penzias & Robert Wilson detected the Cosmic Microwave ______

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

Big Bang Theory is the best supported theory of our universe’s ______

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

The Solar System consists of planets, moons, comets, asteroids, and other objects that orbit around the ______

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

The Geocentric Model proposed by Claudius Ptolemy suggested that the earth is at the center of the ______

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

The Heliocentric Model developed by Nicolaus Copernicus proposed an astronomical model in which the Earth and planets move around the ______

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

The Nebular Hypothesis suggests that the solar system formed from a spinning cloud of gas and ______

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

The Planetesimal Theory supposed that the planetary system was formed from materials removed form the sun by tidal action caused by a passing ______

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

The Dust Cloud Theory states that interactions of gas molecules produced swirls, forming lumps in the nebula that grow to become planets and ______

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

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