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Scientific Theories: Big Bang, Heliocentric And Geocentric Models
Test Description: Our universe
Instructions: Answer all questions to get your test result.
1) Most astronomers believe the universe began about how many years ago?
A
7 billion
B
14 billion
C
1 million
D
10,000
2) The ______ is the main theory that explains the origins of the universe and how everything was made, including the stars and the planets.
A
Multiverse
B
Big Splat
C
Big Crunch
D
Big Bang
3) Scientists think the universe was formed billions of years ago by an event called the _______.
A
Big Bang
B
Big Explosion
C
Geocentric Model
D
Heliocentric Model
4) The universe has no fixed edge which means that it has been ______ ever since the Big Bang.
A
rotating
B
exploding
C
shrinking
D
expanding
5) The geocentric model states that the _______is the center of the Universe.
A
Jupiter
B
Sun
C
a black hole
D
Earth
6) Aristotle and Ptolemy were two scientists who supported the _______ model of the universe in which planets, stars, and the Sun revolved around Earth.
A
Ptolemyan
B
heliocentric
C
geocentric
D
star-centered
7) The ______ model states that the Earth and other planets in our solar system revolve around the Sun.
A
venocentric
B
heliocentric
C
geocentric
D
singularity
8) Galileo supported the _______ model of the universe.
A
geocentric
B
Marscentric
C
heliocentric
D
Kuiper Belt
9) Galileo built an improved ______ which helped him to see far away and observe four moons orbiting Jupiter.
A
planescope
B
telescope
C
barometer
D
microscope
10) The Sun is the center of _________.
A
everything
B
the Milky Way galaxy
C
the universe
D
our solar system
11) 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
Mars
B
Jupiter
C
Earth
D
Mercury
12) Georges LemaƮtre was a Belgian priest who proposed the ________.
A
Theory of Superposition
B
Hubble Theory
C
Big Bang Theory
D
Geocentric Theory
13) Edwin Hubble supported the _______ Theory and made the observation that the universe is continuously expanding.
A
Heliocentric
B
Big Bang
C
Gravitational
D
Theory of Relativity
14) Nicolaus Copernicus proposed the ________.
A
Heliocentric Theory
B
Earth Theory
C
Theory of the Holographic Universe
D
Big Bang Theory
15) 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
star
D
atom
*select an answer for all questions
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