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100
Rocks that are produced when magma or lava cools and hardens are called ____. a. igneous rocks c. sedimentary rocks b. metamorphic rocks d. all of the above
What are a. igneous rocks
100
Broken pieces of what types of rock are deposited into layers and cemented together to form sedimentary rock? a. sedimentary c. metamorphic b. igneous d. all of the above
What is d. all of the above
100
A model that shows how rocks are recycled from one type to another is a. mineral b. ore c. gem d. rock cycle
What is d. rock cycle
100
Remains or trace of a once-living plant or animal are a. igneous rocks b. crystals c. metamorphic rocks d. fossils
What are d. fossils
100
A mineral is called a(n) ____________________ if it contains an useful metal that can be sold for a profit. a. extrusive b. ore c. non foliated d. metamorphic
What is an b. ore
200
Which statement applies to minerals? a. More than 4,000 have been identified. b. You can find them in your salt shaker. c. Each has a unique arrangement of atoms. d. all of the above
What is d. all of the above
200
Which can occur in the rock cycle? a. Sedimentary rock is heated and squeezed to form metamorphic rock. b. Igneous rock is eroded to form metamorphic rock. c. Metamorphic rock melts to form sedimentary rock. d. none of the above
What is a. heat and pressure forms metamorphic rock
200
A mineral that contains something that can be useful and sold after processing is a/an a. gem b. ore c. mineral d. rock
What is b. ore
200
Rocks that form when magma or lava cools are a. metamorphic rocks b. igneous rocks c. crystals d. sedimentary rocks
What are b. igneous rocks
200
The term ____________________ refers to rocks that are produced when melted rock, or magma, from inside Earth cools or hardens on or below Earth's surface. a. igneous rocks b. metamorphic rocks c. extrusive d. non-foliated rock
What are a. igneous rocks
300
Which properties are NOT commonly used to identify minerals? a. reaction with acid c. specific gravity b. cleavage and fracture d. mass and size
What is d. mass and size
300
The size of mineral crystals in igneous rocks ____. a. helps classify the rocks b. depends on the temperature at which magma forms c. depends on the mineral content of magma d. all of the above
What is a. helps classify the rocks
300
A naturally occurring, inorganic solid with a definite structure and composition is a/an a. ore b. gem c. mineral d. rock
What is c. mineral
300
Rocks formed when older rocks are heated and/or squeezed are a. metamorphic rocks b. igneous rocks c. crystals d. sedimentary rocks
What are a. metamorphic rocks
300
Igneous rocks that form when magma cools on Earth's surface are called ____________________ igneous rocks. a. metamorphic b. non foliated c. extrusive d. intrusive
What is c. extrusive
400
Rocks are foliated or nonfoliated depending on their ____. a. hardness c. layers or lack of layers b. cleavage and fracture d. streak
What is c. layers or lack of layers
400
The rock cycle shows each rock ____. a. as it was millions of years ago c. on a continuing journey b. as it is in recent times d. as it was originally formed
What is c. on a continuing journey
400
These are classified as igneous, sedimentary, and metamorphic. a. rock cycle b. ores c. gems d. rocks
What is d. rocks
400
Rocks formed when pieces of rocks, plant and animal matter, or dissolved minerals gather into layers are a. metamorphic rocks b. igneous rocks c. fossils d. sedimentary rocks
What are d. sedimentary rocks
400
Rocks formed when older rocks are heated and/or squeezed are called _________________________. a. ore b. metamorphic c. sedimentary d. igneous
What is b. metamorphic
500
The word metamorphic means ____. a. "change of form" c. "changed under extreme pressure" b. "produced by heat" d. all of the above
What is a. "change of form"
500
Which statement best describes how rocks are classified as igneous, sedimentary, or metamorphic? a. Rocks are classified by where they are found. b. Rocks are classified by how old they are. c. Rocks are classified by how they were formed. d. Rocks are classified by their color.
What is c. rocks are classified by how they were formed
500
A rare mineral that can be cut and polished, giving it a beautiful appearance is a a. mineral b. rock c. gem d. ore
What is c. gem
500
A solid that has a repeating pattern of atoms is a. fossils b. sedimentary rock c. crystals d. metamorphic rock
What are c. crystals
500
Metamorphic rocks that do not have distinct layers or bands are called ____________________ rocks. a. igneous b. ore c. nonfoliated d. extrusive
What is c. nonfoliated
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