Space and Earth

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Across
  1. 4. A type of spacecraft used to fly astronauts into space and back to Earth.
  2. 5. A plate boundary where plates slide past each other is called a _________ boundary.
  3. 10. A plate boundary where plates move away from each other is called a ________ boundary.
  4. 12. The phase of the moon where more than half of the moon is lit by the sun.
  5. 13. The type of force within Earth that breaks down or destroys land.
  6. 15. When the visible portion of the moon is completely lit.
  7. 19. The ________ position is where Earth is found, not too close or too far from the sun.
  8. 23. Living place in space where experiments are conducted.
  9. 24. The layer of Earth that is the most dense.
  10. 28. The point on Earth's surface directly above the focus.
  11. 29. One _____________ unit is 93 million miles, the distance Earth is from the sun.
  12. 31. When the moon appears to be getting smaller.
  13. 32. The movement of an object around another object.
  14. 33. Object falling through Earth's atmosphere and burns up before hitting the ground.
  15. 34. A plate boundary where plates move towards each other is called a ________ boundary.
  16. 36. The thinnest layer on Earth.
  17. 37. The type of eclipse that occurs when the Sun, moon and Earth are aligned in that order and the moon blocks out the sun.
  18. 39. The type of force within Earth that creates more land.
  19. 41. When the moon appears to be growing/ increasing.
  20. 42. This is caused by the tilt of the Earth/ different amounts of sunlight per day.
  21. 44. A gravitational curved path around an object.
  22. 45. The ________ scale is used to measure seismic waves from earthquakes.
  23. 46. A device that uses mirrors or lenses to magnify objects very far away.
  24. 47. The natural rise and fall of large bodies of water caused by the sun and the moon.
  25. 48. Tectonic plates that are found under bodies of water are called __________ plates.
Down
  1. 1. An object that revolves around something bigger.
  2. 2. The point of origin of an earthquake.
  3. 3. Types of waves that travel through the Earth that helped us understand there are layers.
  4. 6. When the visible portion of the moon is completely dark.
  5. 7. An object composed of dust, rock and ICE and has a "tail".
  6. 8. An attractive force between two objects/ the bigger the object the stronger the pull.
  7. 9. The layer of Earth that creates Earth's magnetic field.
  8. 11. _____________ plates are the shifting pieces of Earth’s crust.
  9. 14. A time when the sun reaches its highest or lowest point in the sky creating the longest or shortest days of the year.
  10. 15. The fracture of Earth's crust due to an earthquake.
  11. 16. The type of eclipse that occurs when the moon is inside the Earth's umbra. the Sun, Earth and moon are aligned in that order.
  12. 17. _______ currents that allow Earth's crust to move.
  13. 18. Tectonic plates that are found under land masses are called __________ plates.
  14. 20. The name of our galaxy.
  15. 21. The model of the solar system that has the sun as the center.
  16. 22. The mixture of gases that surround a star or planet.
  17. 25. The phase of the moon when 1/2 the moon is lit by the sun.
  18. 26. The supercontinent that occurred about 225 million years ago.
  19. 27. The model of the solar system that has the Earth as the center.
  20. 30. Large rock in space that are similar to the composition of planets.
  21. 35. A layer within the Earth's atmosphere that protects it from the sun's harmful UV rays.
  22. 38. The layer that has convection currents.
  23. 39. The phase of the moon where less than half of the moon is lit by the sun.
  24. 40. A time in which the amount of daylight and night time is equal.
  25. 43. when an object spins on its axis.