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Astronomy quiz 1 review

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  • What are two ways the sun affects earth?
    Heat, Light, and Gravity
  • What is the earth spinning on its axis?
    rotation
  • How hot is the core of the sun?
    15 million degrees
  • Name three layers of the sun.
    Core, Radiative zone, Conductive zone, Photosphere, Corona
  • How long is one revolution of Earth?
    1 year (365 days)
  • What process makes energy on the sun?
    Fusion
  • What is the earth moving around the sun?
    revolution
  • What is the study of objects in space?
    astronomy
  • What type of object is our sun?
    A main sequence star
  • What two elements make up the majority of the sun?
    Hydrogen and Helium
  • What is an example of convection?
    Second floor is hotter when heat rises
  • What is an example of conduction?
    Cook on a stove
  • How old is our sun?
    4.5 billion years old
  • How long is one rotation of Earth?
    1 day (24 hours)
  • What is an example of radiation
    The Sun
  • What is the shape of a planet's orbit around the sun?
    ellipse
  • Which scientist described planetary motion?
    Johannes Kepler
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