Across
- 5. disaster that occurs in dry, windy environments; often caused by lightning
- 6. first “P” in HIPPO
- 8. two or more elements bonded together chemically
- 9. anything from Earth which humans use
- 13. thinnest layer of the earth
- 14. cycle of matter that includes respiration, photosynthesis, and pollution
- 15. two or more elements or compounds NOT chemically combined
- 19. center of earth
- 20. part of the mantle where convection currents occur
- 21. thickest layer of earth; location of convection currents
- 23. natural resources that are gone once they are used
- 24. boundary where plates move together
- 26. positive particles in the nucleus of an atom
- 28. rock made from heat and pressure
- 31. snow sliding and building up causing disaster
- 33. the biggest cause of extinction
- 34. caused by too many greenhouse gases building up in the atmosphere
- 36. negative particles that travel around the nucleus of an atom
- 38. process that moves small rock pieces
- 39. theory presented by Alfred Wegener
- 41. twisting disaster
- 42. name of the super continent
- 44. process of removing minerals from Earth
- 47. process in which magma rises and cools at divergent oceanic plates
- 52. boundary where plates slide side by side
- 53. warmer than usual water in the Pacific ocean
- 54. layer of earth that is liquid
- 57. rock made from compaction and cementation
- 59. way in which an organism is able to be hurt or damaged
- 63. heat transfer through direct contact
- 64. process that breaks rock into smaller pieces
- 69. process at convergent boundaries where dense crust goes under and melts into magma
- 70. mixture that is the same throughout
- 71. cycle of matter that includes bacteria, lightning, and dead organisms
- 72. average weather trends for a particular area
Down
- 1. a homogeneous mixture
- 2. all of the possible paths that energy can travel in an ecosystem
- 3. found on the Periodic Table
- 4. one possible path that energy can travel in an ecosystem
- 7. increased development of land allows for more runoff and an increase of this natural disaster
- 9. floods, avalanches, volcanoes, earthquakes, tornadoes
- 10. the puzzle pieces of the lithosphere
- 11. causes the climate on either side of a mountain to differ
- 12. the sugar in lemonade (substance that gets dissolved)
- 16. energy waves that travel through the atmosphere through space
- 17. layer of Earth that includes the crust and the top of the mantle
- 18. the water in lemonade (substance that dissolves another substance)
- 22. igneous rocks formed above ground
- 25. Chesapeake Bay is the largest of these areas where fresh and salt water meet
- 27. layers of gases surrounding Earth
- 29. heat transfer by waves
- 30. 7 billion humans on Earth
- 32. species which are introduced into a new environment and often overtake the native species
- 33. typhoons, but in the Northern Hemisphere of Earth
- 35. neutral particles in the nucleus of an atom
- 37. acronym used to describe reasons for which species become endangered
- 40. surround the Ring of Fire
- 43. occur at faults
- 45. mixture in which you can see the different parts
- 46. current conditions in the atmosphere
- 48. nonrenewable natural resource made underground from dead organisms
- 49. fishing too much, for example
- 50. natural resources that can be replaced by nature faster than we use them
- 51. elements organized here in groups and periods
- 55. feature found at divergent continental plates
- 56. heat transfer in fluids; hot fluids rise and cool fluids sink
- 58. made up of pebbles and minerals
- 60. smallest part of matter
- 61. igneous rocks formed underground
- 62. layer of the atmosphere in which weather occurs
- 65. large wave caused by underwater earthquakes
- 66. species which can no longer be found alive on Earth
- 67. rock made from melting and cooling
- 68. boundary where plates divide