Download 1st DBA Make-up

DBA make-up
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. A mineral is inorganic, which means that it contains
a. compounds.
b. materials made by humans.
c. parts of living things.
d. no materials that were once part of living things.
____
2. The repeating pattern of a mineral’s particles forms a solid called a(an)
a. crystal.
b. element.
c. compound.
d. rock.
____
3. Although brick, steel, and glass all come from substances found in Earth’s crust, they are not classified as
minerals because
a. they are organic.
b. they are not naturally occurring.
c. they are too hard.
d. they have many uses.
____
4. If you broke a mineral into tiny pieces, each piece would
a. still show the same crystal structure.
b. have the same shape.
c. be roughly the same size.
d. be metallic.
____
5. What is the hardest known mineral?
a. talc
b. quartz
c. diamond
d. gold
____
6. Most minerals do NOT split apart evenly. Instead, they have a characteristic type of
a. cleavage.
b. fracture.
c. crystal.
d. luster.
____
7. The softest mineral on the Mohs hardness scale is
a. quartz.
b. talc.
c. apatite.
d. gypsum.
____
8. Igneous rock that cools very quickly when it forms may have a texture that is
a. smooth and shiny with no visible grain.
b. multicolored and banded.
c. coarse grained.
d. made up of jagged grains.
____
9. When all the grains in a rock are large and easy to see, the rock is described as
a. extrusive.
b. fine grained.
c. coarse grained.
d. nonbanded.
____ 10. Rock that forms from the cooling of magma below the surface or lava at the surface is called
a. sedimentary rock.
b. metamorphic rock.
c. igneous rock.
d. coarse-grained rock.
____ 11. Where does most metamorphic rock form?
a. at the surface
b. just below the surface
c. in ocean waters
d. deep underground
____ 12. Igneous rock that formed from lava that erupted onto Earth’s surface is called
a. extrusive rock.
b. intrusive rock.
c. clastic rock.
d. sedimentary rock.
____ 13. The process in which dissolved minerals crystallize and glue particles of sediment together is
a. compaction.
b. cementation.
c. deposition.
d. erosion.
____ 14. Chalk formed from sediments made of skeletons of microscopic living things in the ocean must be a(an)
a. clastic rock.
b. organic rock.
c. chemical rock.
d. igneous rock.
____ 15. Heat and pressure deep beneath Earth’s surface can change any rock into
a. chemical rock.
b. gemstones.
c. metamorphic rock.
d. sedimentary rock.
____ 16. The heat that changes a rock into metamorphic rock comes from
a. the heat of the mantle.
b. the sun.
c. movements in the crust.
d. chemical rocks in the crust.
____ 17. The texture of a metamorphic rock that has grains arranged in parallel layers is described as
a. foliated.
b. jagged grained.
c. coarse grained.
d. nonfoliated.
____ 18. A series of processes on Earth’s surface and in the crust and mantle that slowly changes rocks from one kind
to another is called
a. erosion.
b. crystallization.
c. the rock cycle.
d. evaporation.
____ 19. What is the correct order (starting from the surface) of Earth’s layers?
a. crust, outer core, inner core, mantle
b. mantle, outer core, inner core, crust
c. crust, mantle, outer core, inner core
d. outer core, inner core, crust, mantle
____ 20. Earth’s inner core is
a. a dense ball of solid metal.
b. a layer of molten metal.
c. a layer of hot rock.
d. a layer of rock that forms Earth’s outer skin.
____ 21. When the heat source is removed from a fluid, convection currents in the fluid will
a. speed up.
b. change direction.
c. eventually stop.
d. continue at the same rate forever.
____ 22. What is Pangaea?
a. the name of a German scientist
b. the name of the supercontinent that existed millions of years ago
c. another name for continental drift
d. the name of an ancient fossil
____ 23. Which type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis?
a. evidence from landforms
b. evidence from fossils
c. evidence from human remains
d. evidence from climate
____ 24. The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as
a. convection.
b. continental drift.
c. subduction.
d. conduction.
____ 25. Old oceanic crust is more dense than new oceanic crust because it is
a. hot.
b. moving toward a deep-ocean trench.
c. colder and older
d. closer to the mid-ocean ridge.
____ 26. The geological theory that states that pieces of Earth’s lithosphere are in constant, slow motion is the theory
of
a. subduction.
b. plate tectonics.
c. deep-ocean trenches.
d. sea-floor spreading.
____ 27. A place where two plates slip past each other, moving in opposite directions, is known as a
a. transform boundary.
b. divergent boundary.
c. convergent boundary.
d. rift valley.
____ 28. A rift valley forms at a
a. convergent plate boundary
b. divergent plate boundary.
c. transform boundary.
d. deep-ocean trench.
____ 29. Earth’s mantle is
a. a layer of molten metal.
b. a layer of hot rock.
c. a dense ball of solid metal.
d. a layer of rock that forms Earth’s outer skin.
____ 30. Scientists think that convection currents flow in Earth’s
a. continents.
b. mantle.
c. lithosphere.
d. inner core.
____ 31. A collision between two pieces of continental crust at a converging boundary produces a
a. mid-ocean ridge.
b. deep-ocean trench.
c. rift valley.
d. mountain range.