Scientific Theories: Big Bang, Heliocentric And Geocentric Models Question Preview (ID: 57037)
Our Universe.
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Most astronomers believe the universe began about how many years ago?
a) 14 billion
b) 7 billion
c) 1 million
d) 10,000
The ______ is the main theory that explains the origins of the universe and how everything was made, including the stars and the planets.
a) Big Splat
b) Big Crunch
c) Big Bang
d) Multiverse
Scientists think the universe was formed billions of years ago by an event called the _______.
a) Big Explosion
b) Geocentric Model
c) Heliocentric Model
d) Big Bang
The universe has no fixed edge which means that it has been ______ ever since the Big Bang.
a) expanding
b) shrinking
c) exploding
d) rotating
The geocentric model states that the _______is the center of the Universe.
a) Sun
b) Jupiter
c) Earth
d) a black hole
Aristotle and Ptolemy were two scientists who supported the _______ model of the universe in which planets, stars, and the Sun revolved around Earth.
a) heliocentric
b) geocentric
c) star-centered
d) Ptolemyan
The ______ model states that the Earth and other planets in our solar system revolve around the Sun.
a) geocentric
b) venocentric
c) singularity
d) heliocentric
Galileo supported the _______ model of the universe.
a) geocentric
b) Marscentric
c) Kuiper Belt
d) heliocentric
Galileo built an improved ______ which helped him to see far away and observe four moons orbiting Jupiter.
a) microscope
b) telescope
c) planescope
d) barometer
The Sun is the center of _________.
a) the universe
b) the Milky Way galaxy
c) our solar system
d) everything
Galileo discovered with the use of his telescope four moons that orbited around Jupiter. This means that everything in the solar system could NOT have orbited around _____.
a) Earth
b) Jupiter
c) Mars
d) Mercury
Georges Lemaître was a Belgian priest who proposed the ________.
a) Big Bang Theory
b) Geocentric Theory
c) Hubble Theory
d) Theory of Superposition
Edwin Hubble supported the _______ Theory and made the observation that the universe is continuously expanding.
a) Heliocentric
b) Theory of Relativity
c) Gravitational
d) Big Bang
Nicolaus Copernicus proposed the ________.
a) Earth Theory
b) Heliocentric Theory
c) Big Bang Theory
d) Theory of the Holographic Universe
The Big Bang Theory states that the universe as we know it started with an infinitely hot, infinitely dense _________ the size of a pencil point.
a) dot
b) singularity
c) atom
d) star
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