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- 1. Multiple Choice
The actual shape of Earth's orbit is
a perfect circle
an ellipse
a sphere
a triangle
- 2. Multiple Choice
The diagram below represents a simple geocentric model. Which object is represented by the Letter X?
Sun
Moon
Earth
Polaris
- 3. Multiple Choice
The diagram represents our solar system. The system is best classified as
heliocentric, with circular orbits
heliocentric, with elliptical orbits
geocentric, with circular orbits
geocentric with elliptical orbits
- 4. Multiple Choice
In the geocentric model, which motion would occur?
Earth would revolve around the sun.
Earth would rotate on its axis.
The moon would revolve around the sun.
The sun would revolve around Earth.
- 5. Multiple Choice
Which statement best describes the geocentric model of the solar system?
All planets revolve around the sun.
The sun is located at the center of the model.
The Earth is located at the center of the model.
All planets except Earth revolve around the sun.
- 6. Multiple Choice
A red shift of light from very distant galaxies suggest that the universe is
fixed and stationary
moving randomly
expanding
contracting
- 7. Multiple Choice
Which evidence best supports the Big Bang Theory?
existence of cosmic background radiation
rate of rotation of the sun
uniform radioactive decay of Uranium-238
separation of Earth's interior into different layers
- 8. Multiple Choice
The diagram represents planets A and B, of equal mass, revolving around a star. Compared to planet A, planet B has a
weaker gravitational attraction to the star and a shorter period of revolution
weaker gravitational attraction to the star and a longer period of revolution
stronger gravitational attraction to the star and a shorter period of revolution
stronger gravitational attraction to the star and a longer period or revolution
- 9. Multiple Choice
The terrestrial planets differ from the Jovian planets because the terrestrial planets are
less dense and larger
less dense and smaller
more dense and larger
more dense and smaller
- 10. Multiple Choice
The length of an Earth day is determined by the time required for one
Earth revolution
Earth rotation
- 11. Multiple ChoiceWhat is the term for Earth being in the center?geocentricheliocentricsun centeredGalileo
- 12. Multiple ChoiceA model of the solar system in which Earth and the other planets revolve around the SUN.HeliocentricGeocentric
- 13. Multiple ChoiceA model of the universe in which Earth is at the center of the revolving planets and stars. This includes the sun revolving around the Earth. This model is no longer supported.GeocentricHeliocentric
- 14. Multiple ChoiceThe Word "Helio" Refers To?EarthMarsSunJuputer
- 15. Multiple ChoiceThe Word "Geo" Means?SunEarthMilky wayBack
- 16. Multiple Choice
Why do the stars appear to move across the sky?
Because the Earth is spinning (rotating)
Because the stars are spinning (rotating)
Because you are dizzy
They're not, it is an illusion
- 17. Multiple Choice
What do scientists do when new information doesn't fit their existing models?
They adapt or change their model to fit the new information once they have confirmed it
They ignore the new information
They put their fingers in their ears and go lalalalala
They immediately throw everything they know out the window
- 18. Multiple Choice
Stars give off heat and light in a process called ___________.
nuclear fusion
supernova
luminosity
spectroscopy
- 19. Multiple Choice
Billions of stars are held together in groups called __________.
galaxies
solar systems
planets
comets
- 20. Multiple Choice
The luminosity of a star describes its ______________.
brightness
temperature
age
color
- Answer choicesTagsAnswer choicesTags