CH 3 ROCKS Question Preview (ID: 60723)


Rock Cycle And Classification. TEACHERS: click here for quick copy question ID numbers.

When lava explodes from a volcano and cools and hardens quickly, what kind of rock does it form?
a) metamorphic
b) intrusive igneous
c) extrusive igneous
d) sedimentary

Oceanic crust is denser than continental crust. Which of the following is most likely to happen when a plate carrying oceanic crust collides with a plate carrying continental crust?
a) The denser oceanic plate gradually sinks into the mantle and melts.
b) The less dense continental plate gradually sinks into the mantle and melts.
c) The less dense continental plate gradually sinks into the mantle and melts.
d) The plates collide and mantle convection stops.

Which of these statements describes a transformation that occurs as a result of extreme heat and pressure?
a) Magma cools after a volcanic eruption, forming dark-colored igneous rock.
b) Igneous rock is compressed deep within Earth's crust and is changed into marble.
c) Debris from land is washed into a lake bed and then undergoes cementation and compaction.
d) Particles of sedimentary rock are broken down, moved by wind or water, and deposited in a new location.

Forces cause rocks to continually change from one type to another and back again. Which of the following statements accurately describes a process that forms a type of rock?
a) Metamorphic rock forms when magma cools and crystallizes.
b) Metamorphic rock forms when igneous rocks are compacted at low temperatures.
c) Sedimentary rock forms when metamorphic rock melts.
d) Sedimentary rock forms when small pieces of rock are compacted and cemented.

Which of the following statements best describes the rock type that is responsible for the black-sand beaches of the Hawaiian Islands?
a) The magma and lava comes from Basaltic igneous rocks that are dark colored, dense, and low in silica
b) The magma and lava comes from Granitic igneous rocks that are dark colored, dense, and rich in silicon and oxygen.
c) The magma and lava comes from Granitic igneous rocks that are dark colored, dense, and rich in iron and magnesium.
d) The magma and lava comes from Basaltic igneous rocks that are dark colored, dense, and rich in iron and magnesium.

Which is the process that breaks up rock on Earth’s surface?
a) deposition
b) weathering
c) erosion
d) compaction

What is the process by which sediments get pressed together?
a) cementation
b) erosion
c) weathering
d) deposition

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) crystalization
c) rock cycle
d) evaporation

How do coarse-grained igneous rocks form?
a) from sedimentary rocks changed under pressure
b) from large rock particles cemented together
c) from large rock particles cemented together
d) from slowly cooling magma

Over thousands of years, an igneous rock becomes a methomorphic rock and then a sedimentary rock. What sequence of events causes these transformations to occur?
a) Magma cools and hardens. The rock is weathered and deposited then is melted into magma and then subjected to high pressure
b) The rock is weathered and deposited then melted into magma. Magma cools and hardens and is subjected to high pressure
c) The rock is melted into magma. The magma cools and hardens is weathered and deposited then is subjected to high pressure
d) The rock is melted into magma. Magma cools and hardens is subjected to high pressure. The rock is weathered and deposited

What are two useful metamorphic rocks that formed from sedimentary rocks?
a) sandstone and quartzite
b) marble and slate
c) limestone and breccia
d) granite and shale

Metamorphic rocks that are foliated ___________
a) split into layers
b) do not split into layers
c) have mineral grains lined up in parallel layers
d) usually have a rough texture

Which of the following processes is most responsible for producing the landscape of Florida's beaches?
a) erosion, weathering
b) deposition, compaction
c) convection, cementation
d) plate movement, subduction

Convection currents within Earth’s core and mantle transfer large amounts of heat when
a) hotter, less dense rock rises and cooler, more dense rock sinks.
b) cooler, less dense rock sinks and hotter, more dense rock rises.
c) hotter, less dense rock sinks and cooler, more dense rock rises.
d) cooler, less dense rock rises and hotter, more dense rock sinks.

The most abundant type of intrusive rock in the continental crust is
a) slate
b) granite
c) flint
d) quartzite

Heat and pressure deep beneath Earth’s surface can change any rock into
a) chemical rock
b) gemstones
c) metamorphic
d) sedimentary

Which of the following statements provide an accurate description of the formation of igneous rock in the rock cycle?
a) Igneous rocks are formed by the melting of metamorphic rocks.
b) Igneous rocks are formed through weathering and erosion of other rocks
c) Igneous rocks are formed by the effects of heat and pressure on sedimentary rocks.
d) Igneous rocks are formed by the cooling and crystallization of hot magma.

What is the source of energy that drives Earth's plate tectonics, earthquakes, and volcanic eruptions?
a) tidal energy from Earth's oceans
b) magnetic energy from Earth's magnetic field
c) heat from Earth's mantle and core
d) light energy from the sun

How are igneous rocks classified?
a) by their location, color and value
b) by their origin, texture and mineral composition
c) by their origin, shape and color
d) by their location and shape

Granite is a light colored igneous rock, which indicates it was formed from lava that is
a) high in silica
b) low in silica
c) high in feldspar
d) low in quartz

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