Across
- 5. The available information indicating whether a belief is right or wrong.
- 7. A numerical expression of the amount of energy released by an earthquake. Determined by recording instruments such as the seismograph.
- 8. The solid part of the earth consisting of the crust and outer mantle.
- 11. Power generated by using the heat energy of the earth.
- 14. The location of a place east or west.
- 15. An enthusiast of the study of geology.
- 16. When two plates collide and push earth upward. Creating mountains and volcanoes.
- 18. The zone of the earth below the crust and above the core.
- 19. The term in which new sea floor is created at oceanic ridges and slowly spreads outwards.
- 22. A mountain which has a vent of which lava, rock fragments, hot vapour and gas are released. Create destruction when they erupt.
- 27. The outer part of the earth’s contents, consisting of the crust and upper mantle.
- 28. A sudden violent shaking of the ground caused by a collision of tectonic plates.
- 29. Solid, outer layer of the earth.
- 31. The upper layer of the earth’s mantle, in which convection is thought to occur.
- 33. Matter which falls under a sudden movement of the Earth.
- 36. The inner most part of the earth’s core.
- 37. Solid, outer layers of the earth, including the continents.
- 38. The height of a point or object in relation to sea level.
- 39. Degree of compactness of a substance.
- 40. Volcanic regions which have a large history of active volcanoes. Thought to have an undying stream of magma available from the mantle.
Down
- 1. The landmass which existed when all of the continents were joined over 200 million years ago.
- 2. The envelope of gasses surrounding the earth.
- 3. The outer most part of the earth’s core.
- 4. All water on Earth’s surface such as lakes, seas and water in the atmosphere.
- 6. Two plates are colliding with each other. It can either be Destructive (subduction) or Constructive.
- 9. Rock which is found on either side of an oceanic ridge showing different ages and stronger magnetic fields.
- 10. Scientific name for volcanic rock.
- 12. The theory that the continents gradually move across the Earth’s surface.
- 13. A great sea wave created by a submarine earthquake, volcanic eruption or large landslide.
- 17. The force which causes the earth’s crust to shift. Process: Heat rises up and once cooled falls in a circular motion.
- 20. The remains or imprint of a prehistoric plant or animal which has been preserved in rock.
- 21. A substance thought to be located in the earth’s inner core.
- 23. The theory that the earth’s crust is broken into plates which move, shifting continents.
- 24. When two continents collide and the denser one goes underneath the less denser crust.
- 25. The location of a place north or south.
- 26. A change in the earth’s magnetic field of which the magnetic north and magnetic south are interchanged.
- 30. The earth’s crust where it lies beneath oceans.
- 32. Theory of how the universe becomes existent.
- 34. The regions of the surface of the earth occupied by living organisms.
- 35. Two plates moving apart. When the two plates move apart a rift is formed.