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100
  • The Sun and all objects bound by gravitational force to the Sun are called the:
  • universe.
  • Galaxy
  • Solar System
  • Nebulae

solar system

100
  • The factor most responsible for the seasons of the year is the:
  • Distance of Earth from the sun
  • Speed of Earth in its orbit
  • Tilt of Earth on its axis
  • Sunspot cycle

tilt of Earth on its axis 

100
  • Which of the following groups of planets can be classified as terrestrial planets because they are composed of rock and metals, have thin atmospheres, and high densities?
  • Earth, pluto, Jupiter
  • Earth, mars, pluto
  • Earth,mars, venus
  • Earth, mercury, Saturn

Earth, Mars, Venus 

100
  • Which of the following are the smallest stars?
  • Red giant stars
  • Neutron stars
  • Dwarf stars
  • Sun-sized stars

Neutron Stars 

100
  • What is the name of the galaxy to which the Sun and our solar system belong?
  • Andromeda
  • Milky way
  • Lenticular
  • Cartwheel

Milky Way

200
  • A unit used to measure long distances, equivalent to the distance from the Sun to Earth, is known as the:
  • light year.
  •  cosmic scale.
  • astronomical unit.
  • sidereal year.


astronomical unit

200
  • Which of the following is the most accurate description of the daily cycles of Earth and the Sun?
  • The Sun appears to move from east to west while Earth rotates from east to west.
  •  The Sun appears to move from west to east while Earth rotates from east to west.
  • The Sun appears to move from east to west while Earth rotates from west to east.
  •  The Sun appears to move from west to east while Earth rotates from west to east.
  • The Sun appears to move from east to west while Earth rotates from west to east.
200
  • An electrically charged mixture of protons and electrons given off by the Sun can cause yellow-green curtains of light to occur in Earth’s atmosphere. This light is known as a(n):
  • Solar wind
  • Aurora
  • Solar flare
  • Prominence

Aurora 

200
  • The explosion of a very large star is known as a:
  • Black hole
  • White Dwarf
  • Neutron star
  • Supernova

Supernova

200
  • When you look up at the night sky from Earth, the Milky Way looks like:
  • A band of light stretching across the sky
  • A giant pinwheel slowly rotating clockwise
  • A big dipper
  • A greenish curtain of light

Band of light stretching across the sky

300
  • Earth is classified as a(n):
  • Inner planet
  • Outer Planet
  • Solar System
  • Constellation

Inner Planet 

300
  • The faster a planet rotates:
  • The shorter its day
  • The longer its day
  • The shorter its year
  • The longer its year

The shorter its day

300
  • The source of heat and light energy produced by stars is:
  • Fission
  • Fusion
  • Internal combustion
  • Spontaneous regeneration


Fusion

300
  • Which of the following is the most common element in the universe?
  • Carbon
  • Helium
  • Hydrogen
  • Oxygen

Hydrogen

300
  • Galaxies are classified according to their shape. The Milky Way is classified as a:
  • Lenticular galaxy
  • Elliptical galaxy
  • Spiral galaxy
  • Cartwheel galaxy

Spiral Galaxy

400
  • Inner planets include all of the following EXCEPT:
  • Mercury
  • Venus
  • Earth
  • Jupiter

Jupiter 

400
  • Terrestrial planets include all of the following EXCEPT:
  • Mercury
  • Venus
  • Earth
  • Jupiter

Jupiter

400
  • The main characteristics used to classify stars include all of the following EXCEPT:
  • Shape
  • Brightness
  • Color
  • Temperature

Shape

400
  • The type of telescope using lenses to gather visible light is called a(n):
  • Reflecting telescope
  • Radio telescope
  • Refracting telescope
  • X-ray telescope

Refracting Telescope

400
  • Astronomers usually measure the distance between galaxies in:
  • Light years
  • Astronomical units
  • Kilometers
  • Miles

Light years

500
  • Which of the following was the contribution Nicolas Copernicus developed regarding the solar system model?
  • The planets and the sun orbit earth
  • The planets and earth orbit the sun
  • The planets and earth orbit constellations
  • The planets orbit earth and they all orbit the sun

The planets and earth orbit the sun

500
  • A “shooting star” is seen when this object enters Earth’s atmosphere and is vaporized.
  • A comet
  • Planetary satellite
  • Asteroid
  • Meteor

Meteor 

500
  • The measure of the amount of light given off at the surface of a star is called:
  • Luminosity
  • Brightness
  • Illumination
  • Radiance

Luminosity

500
  • Which of the following has astronauts onboard?
  • MER
  • ISS
  • Voyager II
  • Phoenix Lander


ISS

500
  • What is the name of the current theory that some scientists believe can explain the beginning of the universe?

Big Bang