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Earth Science Semester 1 Review

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  • True or False: Giants are considered cooler than White Dwarfs.
    True
  • True or False: The outer core contains liquid elements and the inner core contains solid elements
    true
  • What is the difference between convergent and divergent plate boundaries?
    Divergent are moving apart and convergent are moving toward one another
  • How are stars plotted on this HR Diagram?
    Luminosity and temperature
  • How many pieces of evidence support the Big Bang theory?
    Three
  • Which is the stage where a massive star explodes and releases a lot of energy?
    Supernova
  • A wave with a large wavelength will have a ______ frequency and _____ energy
    low, low
  • How old is the universe?
    13.8 Billion Years Old
  • True or false: The electromagnetic spectrum is the complete range of electromagnetic waves placed in order of increasing frequency
    True
  • What are the two types of tectonic plates?
    Continental and oceanic
  • When a star runs out of hydrogen gas to fuse, what element must then be fused in order to form a Red Giant?
    helium
  • The distance from the ______ determines if a planet is habitable (liveable) or not?
    Sun
  • True or False: The Earth core temperature is about as hot as the surface of the sun.
    true
  • What happens to the light waves of a star if it is traveling AWAY from Earth? Compressed (squeezed together) or stretched out?
    Stretched out
  • Which is a hot, semi-solid layer that is made of the Earth’s upper mantle: Asthenosphere, Mesosphere, Core, or Lithosphere
    Asthenosphere
  • What causes plate movement?
    Different temperatures and densities of the layers of earth
  • How did planets form?
    planetesimals collided into one another
  • ___ of the Earth refers to separating layers based on the kinds of atoms and molecules in each layer. (Chemical composition or Physical properties)
    chemical composition
  • What is the smallest star?
    Neutron star
  • True or False: A denser plate will be pulled under a less dense plate.
    True
  • East Africa is slowly being rifted apart. What type of plate boundary causes this feature on a continent? Divergent or Convergent?
    Divergent
  • Why do scientists accept the Big Bang theory?
    Three pieces of evidence support the theory
  • True or false: Scientists have been to the Earth’s core.
    False
  • The change in the wavelength or frequency of the energy emitted by a moving object is called
    Doppler Effect
  • Which elements formed shortly after the Big Bang?
    Hydrogen, helium
  • Which star is moving towards Earth the fastest?
    C
  • A cloud of spinning dust and gas condensed into the sun and planets is called the __________ theory.
    Nebular
  • What made the inner planets rocky and the outer planets gassy?
    Heat from the sun
  • The process by which Earth makes heat is called
    Radioactive decay
  • Inner planets are ________ and outer planets are ________.
    rocky, gassy
  • Which is the solid, outer layer of the Earth: Asthenosphere, Mesosphere, Core, or Lithosphere
    lithosphere
  • A large sphere of gas that makes its own light is called a _________
    star
  • When light (from a star) is traveling AWAY from the Earth, what color shift does it have?
    Redshift
  • Which star is MOVING AWAY from Earth the fastest?
    B
  • The location of earthquakes and volcanoes gives scientists hints about the location of the _____________ (2 words).
    tectonic plates
  • Which stars are experiencing a Red Shift?
    B and D
  • When light is traveling closer to Earth, what color shift does it have?
    Blue shift
  • True or False: As galaxies get farther from Earth, they also get faster.
    True
  • ____ refers to how the layers of the Earth interact (chemical composition or physical properties).
    physical
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