WorksheetsEarth in the Universe (Concept A)
Total questions: 20
Worksheet time: 11mins
What can cause a theory to change?
New technology
Enhanced tools
Improved observations
Opinions not driven by evidence
Which early astronomer developed the Geocentric Theory?
Hubble
Copernicus
Galileo
Ptolemy
When did Ptolemy propose/develop the Geocentric model?
140 CE
1543
2020
127 CE
The Heliocentric Theory was developed by
Ptolemy
Kepler
Copernicus
Hubble
Copernicus developed his Heliocentric model in
(a)
Which theory of the structure of the universe is recognized as "correct" today?
Copernicus
Ptolemy
Geo = Earth; Geocentric means (a)
Helios = Sun; Heliocentric means (a)
How long ago did the "Big Bang" occur?
10.9 billion years ago
13.7 billion years ago
14 billion years ago
4.7 billion years ago
A redshift shows an observer that a star or galaxy is moving in what direction?
Towards an observer
Away from an observer
In circles
Not moving at all
Which astronomer discovered that our universe was expanding?
Galileo
Newton
Hubble
Kepler
Which of the following are one of the three types of galaxies
Irregular Galaxies
Circular Galaxies
Angular Galaxies
Spiral Galaxies
Elliptical Galaxies
Which type of galaxy is this?
Spiral galaxy
Elliptical galaxy
Irregular galaxy
Which type of galaxy is this?
Spiral galaxy
Elliptical galaxy
Irregular galaxy
Which type of galaxy is this?
Spiral galaxy
Elliptical galaxy
Irregular galaxy
What galaxy does our solar system exist in?
(a)
Galileo was the first astronomer to successfully use a telescope. What were some of Galileo's observations in his use of the telescope?
The moon had craters and mountains on its surface
Jupiter had four moons
Mercury had rivers
Pluto
Dark spots on the sun
Which of these objects is the most massive(largest)?
Earth
Galaxy
Universe
Solar System
Which of these objects is the least massive(smallest)?
Earth
Galaxy
Universe
Solar System
Where do we live in our galaxy?
In the middle
Outside
Orion arm
None of the above
