Earth's Origin and Structure Quiz for Students

Origin and Structure of the Earth Topic Universe and Solar System Origin and Structure of the _____

Age of the universe: 13.7 billion ______

Diameter of the observable universe: at least 93 billion light ______

Georges Lemaitre Formulated the BIG BANG ______

Arno Penzias & Robert Wilson Detected the Cosmic Microwave Background Evidence suggest that this is leftover radiation from the energy of the Big Bang Big Bang ______

Big Bang Theory The best supported ______ of our universe’s origin

Steady State Theory Suggest that the universe is unchanging and has no ______ or end

Origin of the Solar System The Solar System The gravitationally bound system of the sun and the objects that ______ it

Terrestrial Planets consist of Mercury, Venus, Earth, ______

Jovian Planets consist of Jupiter, Saturn, Uranus, ______

Geocentric Model Proposed by Claudius Ptolemy The earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles ______ it

Heliocentric Model Developed by Nicolaus Copernicus An astronomical model in which the Earth and planets move ______ the Sun

The Nebular Hypothesis suggest that the solar system formed from a spinning cloud of gas and dust known as the ______

Origin and Structure of the Universe

Age of the universe is approximately 13.7 billion years.
The observable universe has a diameter of at least 93 billion light years.
Georges Lemaître formulated the Big Bang theory, proposing the expansion of the universe from a singular point.
Arno Penzias and Robert Wilson detected the Cosmic Microwave Background, which is believed to be leftover radiation from the Big Bang.
The Big Bang Theory is the most widely supported explanation for the origin of the universe.

Alternative Theories

Steady State Theory suggests that the universe is eternal, without beginning or end, and remains in a constant state.

Origin of the Solar System

The Solar System is a gravitationally bound system consisting of the Sun and the objects orbiting it.

Types of Planets

Terrestrial planets include Mercury, Venus, Earth, and Mars.
Jovian planets comprise Jupiter, Saturn, Uranus, and Neptune.

Models of the Universe

The Geocentric Model, proposed by Claudius Ptolemy, posits that Earth is at the center of the universe, with celestial bodies circling around it.
The Heliocentric Model, developed by Nicolaus Copernicus, asserts that Earth and the other planets revolve around the Sun.

Formation of the Solar System

The Nebular Hypothesis suggests that the solar system formed from a rotating cloud of gas and dust.

Test your knowledge on the origin and structure of the Earth, Earth systems, hypothesis, model, theory, law, and the origin of the universe. Explore scientific ideas such as the breakdown of hypotheses and the explanation of theories.