SOE 101 EXAM 2 QUESTIONS VERIFIED ANSWERS
How can a metamorphic rock become an igneous rock? - Answers - It can be melted
into magma and then solidify into an igneous rock.
Igneous rocks are formed from cooled lava or _____. - Answers - magma
If a rock is subjected to increased pressures and temperatures it can be altered into
what type of rock? - Answers - metamorphic
Many sedimentary rocks are comprised of weathered and eroded pieces of other rocks
which geoscientists call _____. - Answers - sediment
What needs to happen to sediments in order to become an igneous rock? - Answers -
melting
Igneous rocks that cool rapidly on Earth's surface are called _____. - Answers - volcanic
Igneous rocks that cool slowly below Earth's surface are called _____. - Answers -
plutonic
A felsic igneous rock will have a _____ silica content than a _____ igneous rock. -
Answers - higher; mafic
Which type of metamorphic rock is only associated with mountain building? - Answers -
Regional metamorphism
Select the two major categories of metamophic rocks. - Answers - regional and contact
Clastic sedimentary rocks such as conglomerate, sandstone, and clay are all essentially
made from the same stuff. How do geologists distinguish between them? - Answers - by
their grain (or clast) size
Sedimentary rocks are important indicators of paleoenvironments. Conglomerates
typically form near _____ while limestone and chalk form in warm _____. - Answers -
mountains; oceans
_____ is the process by which sediments are squeezed due to the pressure of overlying
material into sedimentary rocks. - Answers - lithification
The processes that physically or chemically break down rocks on earth's surface is
called _____; while the processes of transporting that broken down material by gravity,
wind, water, or ice is called _____. - Answers - weathering; erosion
How can a metamorphic rock become an igneous rock? - Answers - It can be melted
into magma and then solidify into an igneous rock.
Igneous rocks are formed from cooled lava or _____. - Answers - magma
If a rock is subjected to increased pressures and temperatures it can be altered into
what type of rock? - Answers - metamorphic
Many sedimentary rocks are comprised of weathered and eroded pieces of other rocks
which geoscientists call _____. - Answers - sediment
What needs to happen to sediments in order to become an igneous rock? - Answers -
melting
Igneous rocks that cool rapidly on Earth's surface are called _____. - Answers - volcanic
Igneous rocks that cool slowly below Earth's surface are called _____. - Answers -
plutonic
A felsic igneous rock will have a _____ silica content than a _____ igneous rock. -
Answers - higher; mafic
Which type of metamorphic rock is only associated with mountain building? - Answers -
Regional metamorphism
Select the two major categories of metamophic rocks. - Answers - regional and contact
Clastic sedimentary rocks such as conglomerate, sandstone, and clay are all essentially
made from the same stuff. How do geologists distinguish between them? - Answers - by
their grain (or clast) size
Sedimentary rocks are important indicators of paleoenvironments. Conglomerates
typically form near _____ while limestone and chalk form in warm _____. - Answers -
mountains; oceans
_____ is the process by which sediments are squeezed due to the pressure of overlying
material into sedimentary rocks. - Answers - lithification
The processes that physically or chemically break down rocks on earth's surface is
called _____; while the processes of transporting that broken down material by gravity,
wind, water, or ice is called _____. - Answers - weathering; erosion
