7th Grade Science Study Guide

  1. Astronomy
    The study of the moon,stars, and other objects in space. Hexi 4 life.
  2. Axis
    An imaginary line that passes through earths center and North and South poles, about which earth spins. Hexi 4 life
  3. Rotation
    A spinning motion of a planets axis. Hexi 4 life
  4. Revolution
    The movement of an object around another object. Hexi 4 life
  5. Orbit
    The path of an object as it revolves around another object in space. Hexi 4 life
  6. Solstice
    The two days of the year on which the sun reaches its greatest distance north or south of the equator. Hexi 4 life
  7. Equinox
    The two days of the year on which neither hemisphere is tilted toward or away from the sun. Hexi 4 life
  8. Gravity
    The attractive force between objects; its strength depends on their masses and the distance between them. Hexi 4 life
  9. Mass
    The amount of matter in an object. Hexi 4 life
  10. Weight
    The force of gravity on an object. Hexi 4 life
  11. Interia
    The tendency of an object to resist a change in motion. Hexi 4 life
  12. Maria
    Dark,flat areas on the moon's surface formed from huge ancient lava flows. Hexi 4 life
  13. Craters
    A large round pit caused by the impact of a meteoroid. Hexi 4 life
  14. Meteoroids
    A chunk of rock or dust in space. Hexi 4 life
  15. Umbra
    The darkest part of a shadow.Hexi 4 life
  16. Penumbra
    The part of the shadow surrounding the darkest part.Hexi 4 life
  17. Neap Tides
    The tide with the least difference between consecutive low and high. Hexi 4 life
  18. Spring Tides
    The tide with the greatest difference between consecutive low and high tides.Hexi 4 life
Card Set
7th Grade Science Study Guide