Learn from any mistakes you make as you review the rock cycle.
What geologic process changes pieces of rocks, minerals, and other material into sedimentary rock?
compaction and cementing
CORRECT!
cooling
heat and pressure
melting
Which of these is found in sedimentary rock?
fossils
CORRECT!
crystals
gas bubbles
glassy surface
What type of igneous rock makes up most of the ocean floor?
basalt
CORRECT!
granite
lucite
shale
What rock type is formed from the slow cooling of magma under the earth’s surface?
intrusive igneous
CORRECT!!
extrusive igneous
metamorphic
sediment
Which of the following is NOT one of the three major classes of rock?
oceanic
CORRECT!!
igneous
metamorphic
sedimentary
Which characteristic is common to extrusive igneous rocks?
glassy surface
CORRECT!!
crystals
fossils
ribbon-like layers
Which characteristic is common to metamorphic rocks?
ribbon-like layers
CORRECT!!
fossils
gas bubbles
glassy surface
At what temperature range do rocks melt?
600 to 1,300 degrees Celsius
CORRECT!!
50 to 100 degrees Celsius
130 to 200 degrees Celsius
220 to 500 degrees Celsius