Earth Space Science
Across
- 4. Giant landmass that existed about 250 million years ago
- 5. Hot ash mixed with the snow and ice on the mountain to form a fast-moving mudflow
- 6. Blocks of land tilt and move downhill along a surface that curves into the slope
- 7. Ridge a long chain of volcanic mountains on the ocean floor with a deep central valley
- 9. all living things on the planet compose the _______
- 11. Soils Soils from transported materials
- 13. Neck Outer layers of the volcano have been eroded away, leaving behind a more resistant plug of igneous rock
- 15. Trench An important feature on a subduction boundary and is a long, deep trench that forms along the boundary
- 19. Energy A much smaller part of the energy budget (0.013 %) originates as heat from within Earth
- 20. Gravity The ratio of its mass to the mass of an equal volume of water
- 24. Magma beneath a volcano is released after the top of the volcano collapses, forming a large crater-shaped basin
- 25. Crust and uppermost portion of the mantle together
- 27. Time Zones 24 worldwide __________ were developed, each 15* of longitude wide
- 29. Core Surrounding inner core and is composed of liquid iron and nickel
- 31. Boundary Boundary between two plates that are moving toward each other, or converging
- 32. Thinner, and more fluid, containing large amounts of iron and magnesium and much lower amounts of silica, Mother
- 37. Rocks that are formed from cooling and the hardening of hot, molten rock
- 39. Weathering Disintegration, takes place when rock is split or broken into smaller pieces
- 40. The movement of Earth in its orbit around the sun
- 41. _______ of a mineral is the way the mineral shines in light
- 42. Valleys Deep valleys at the center of a mid-ocean ridge
- 44. System energy, such as sunlight, may enter, but matter doesn't leave
- 46. The arrangement of physical layers
- 47. _______ of a mineral is the color of its powder
- 48. Spot refer to areas of volcanic activity that result from plumes of hot solid material that have risen from deep within Earth's mantle
- 49. the study of minerals and their properties
- 50. Rough jagged edges
- 51. Soil of A-horizon and is generally gray to black in color
- 53. Energy Energy that comes from the sun
- 54. Energy The third and smallest part of the energy budget (0.002 %)
- 55. More rigid material of the lithosphere floats upon a thin, slushlike layer of the mantle
- 58. Minerals that are compounds including silicon and oxygen
- 60. Date Line represents the longitude at which the date changes
- 62. A positively charged atom
- 65. Rocks are formed by the compaction and cementing of layers
- 68. System Science The new view of Earth
- 69. Material Material from which the soil is formed
- 72. Occurs naturally, it is solid, it has definite chemical composition, its atoms are arranged in an orderly pattern, and it is inorganic (was never alive)
- 73. Process by which a rock's structure is changed by pressure, heat, and moisture
- 74. a mineral made of negatively charged _______ ions bonded to positive metal ions
- 76. are materials such as rock fragments, plant animal remains, and minerals
- 79. the remains, impression, or any other evidence of a plant of animal preserved in rock
- 81. Volcanoes Develop when layers of materials from successive explosive eruptions accumulate around a vent
- 82. When minerals fill the spaces between sand grains, pebbles, or other rock particles, they bind the fragments together
- 84. Atoms of an element that have different masses
- 86. Drift Continents that have moved, or drifted, from one place to another
- 89. a sequence of events that repeat
- 90. B-horizon and is generally red or brown in color
- 92. Upward expansion of rocks that are formed deep underground may result in a mechanical weathering process
- 93. Number number of protons in the nucleus is the atom's ________ and is equal to the number of electrons in the atom's electron cloud
- 95. a representation of an object, a process, or a phenomenon
- 96. a large block of lithospheric plate that has been moved, often over a distance of thousands of kilometers
- 97. Two or more atoms held together by covalent bonds
- 99. Apparent shift in position of the stars
- 101. a mineral consisting of a metal element combined with sulfide
- 102. Push A force on spreading lithospheric plates that could help drive movements
- 103. rock mass that forms when magma cools inside Earth's interior
- 108. Spinning of the Earth around its axis
- 109. when minerals break into directions other than along cleavage surfaces
- 110. Cones Simplest type of volcano, forms when molten lava is thrown into the air from a vent
- 111. is a term commonly used for the movement of a mass of bedrock or loose soil and rock down the slope of a hill, mountain, or cliff
- 113. Refer to rock fragments that have been weathered from a cliff and pulled down by gravity
- 114. Lava Lava that forms under water and looks like a pillow but doesn't feel like one
- 115. Equinox Occurs on or around March 21
Down
- 1. Soil Bedrock beneath the soil
- 2. Tectonics a theory that describes the formation, movements, and interactions of these plates
- 3. Wedging Or ice wedging, and is common in places where the temperature varies from below the freezing point of water
- 6. Solstice Occurs on June 21 each year and is the point at which this daily increase stops
- 7. rocks are formed by the effect of heat and pressure on other rocks
- 8. System The system and its surroundings freely exchange both energy and matter
- 10. Cycle Movement of energy into and out of the Earth system
- 12. Largest of all plutons, form the cores of many of Earth's mountain ranges
- 13. Principal ingredient in all magmas, determines a magma's __________
- 14. Rain Rainwater that contains unusually high amounts of acids that can be traced to these pollutants
- 16. Meridian Starting point of standard time zones is an arbitrary longitude line
- 17. A mass of weathered material that has been saturated with water flows downhill
- 18. Cycle the continuous circulation of water through the hydrosphere
- 21. Field The movement of the fluid in the outer core
- 22. Lava with smooth, ropelike surfaces
- 23. Hot molten rock, lava
- 24. Cycle A biogeochemical cycle involving the element carbon
- 26. Minerals Other minerals that make up most of the rocks in Earth's crust
- 28. Moving sand, pebbles, and larger rocks grind and scrape against one another, these rock materials are soon worn away
- 30. Boundary When an oceanic plate plunges beneath another plate, the oceanic plate is said to be SUBDUCTING beneath the overriding plate
- 33. a mineral consisting of a metal element combined with oxygen
- 34. Cycling of water vapor into the atmosphere by evaporation and transpiration
- 35. Movement Refers to the downward transportation of weathered materials by gravity
- 36. Refers both to the opening in the Earth's crust through which molten rock, gases, and ash erupt
- 38. a kind of model
- 43. Chemical weathering by reaction of water with other substances
- 44. Boundary When two continents collide and are welded into a single, larger continent
- 45. Brown or red in color of some exposed rocks may be the result of this process
- 47. Depletion Occurs when the soil gradually becomes so lacking or depleted in nutrients that it can no longer grow a usable crop
- 48. contains all water in the Earth system
- 52. Plateau Lava pouring from fissure spreads across the land
- 56. Equinox on or near September 22
- 57. Boundary Boundary between two lithospheric plates that are moving apart
- 59. Tendency to split along definite planes
- 61. Meridian Each standard time zone is roughly centered on a lone of longitude exactly divisible by 15*
- 63. Flow A dense, superheated cloud that travels downhill with amazing speed
- 64. is a substance that contains atoms of two or more elements that are chemically combined
- 65. The soil contains so much mineral matter from the evaporated irrigation water that the soil can no longer sustain crop growth
- 66. Convection Heat from Earth's inner and outer cores through the mantle by a process called ________________
- 67. A gaseous envelope around the earth
- 70. Core Earth's center and is composed of solid iron and nickel
- 71. Weathering Decomposition, takes place when the rock's minerals are changed into different substances
- 72. Rapid movement of water that contains large amounts of suspended clay and silt
- 75. Thick magma that is slow-moving, high amount of silica, Father
- 77. The breakup of rocks due to exposure to processes that occur at Earth's surface
- 78. Slow, imperceptible movement of soil down a slope
- 80. Volcanoes broad based and gently sloping sides
- 81. Regular geometric solid with smooth surfaces called crystal faces
- 83. Gains electrons easily to form a negative ion is classified as a __________
- 85. the rocks, the mountains, the beaches, and all the other physical features of the planet except water
- 87. A substance that cannot be broken into simpler substances by ordinary chemical means
- 88. Boundary Boundary between two plates that are sliding past each other
- 91. of hydrosphere consists of fresh water
- 94. The core of each continent is an expanse of ancient rock
- 97. Is am element that loses electrons easily to form positive ions
- 98. Is the removal and transport of materials by natural agents such as wind and running water
- 100. molten forces its way up through cracks, or _______
- 102. Cycle the repeated series of events by which rock gradually and continually changes from one type to another
- 104. Tetrahedron Basic building block of a silicate
- 105. Solstice Occurs on December 21 and is the shortest day of the year
- 106. Masses move, heat from the friction, stress, and pressure cause the rock to change shape
- 107. Surrounding the mantle is a thin, rigid layer of lighter rocks that includes Earth's surface
- 112. Pull Force that the sinking edge of the plate exerts on the rest of the plate