25.26 Midterm Review

123456789101112131415161718192021222324
Across
  1. 2. the Earth's magnetic field is caused by convection currents in the ____________________
  2. 3. the earth is at the center of the solar system in the ___________ model
  3. 8. this type of rock has been changed by extreme heat and pressure
  4. 11. Earth's __________ takes 24 hours; causes day and night
  5. 12. the process of dense oceanic crust sinking below less dense continental at a trench
  6. 16. when the lit part of the moon is getting brighter, we say the moon is ______________
  7. 17. when the lit part of the moon is getting smaller, we say the moon is ______________
  8. 20. plates collide into each other at a ____________ boundary
  9. 23. these moons are more than half lit up
  10. 24. a small rocky body out in space
Down
  1. 1. _______________ in the mantle causes plate movement
  2. 4. a chunk of rock, dust and ice that orbits the sun
  3. 5. a small rocky body that has hit Earth's surface
  4. 6. if the heat source is removed, a convection current will __________
  5. 7. this theory explains the formation of the universe
  6. 9. minerals must be naturally occurring, meaning they can only be ________ in nature, we cannot make them
  7. 10. the season the northern hemisphere experiences when it is tilted towards the sun is _____________.
  8. 13. gravity and ________ combine forces to keep our planets in orbit around the sun
  9. 14. the strength of the force of gravity depends on _______ and the distance between objects
  10. 15. the moon phase during which a solar eclipse can occur
  11. 18. this type of rock is formed when melted rock cools and solidifies
  12. 19. pressure and ____________ increase as you go deeper and deeper inside the Earth
  13. 21. the Earth experiences seasons because our axis is ___________ as we revolve around the sun
  14. 22. matching coastlines, climate clues and matching animal _________ on seperated continents were Wegener's evidence for continental drift