Show:
Minerals: The Building Block of Rocks
Igneous Rocks
Sedimentry Rocks
Metamorphic Rocks
Review
100
What is the property that describes the way minerals split?
cleavage
100
What is melted rock below Earth's surface called?
magma
100
What are the remains of animals or plants from millions of years ago called?
fossils
100
What metamorphic rock is found deep in the Earth and used as fuel?
anthracite
100
What is the natural nonliving substance that makes up rocks called?
minerals
200
What property refers to a mineral's ability to scratch another mineral called?
hardness
200
What is a lightweight igneous rock that is full of tiny holes called?
pumice
200
What are bits of sand that have become cemented together called?
sandstone
200
What type of rock may contain fossils?
sedimentary
200
What minerals are prized for their beauty?
gems
300
Shapes of minerals made by the way their atoms are arranged are called what?
crystals
300
What are igneous rocks formed below Earth's surface called?
intrusive
300
What are rocks formed from the remains of once-living things on the bottom of the ocean called?
limestone
300
What metamorphic rock is used in statues?
marble
300
What identifies the mineral by the color of the powder left behind when it is scratched across a plate?
streak
400
What are rocks that are mined because they contain useful substances called?
ores
400
What is a hard igneous rock used in buildings called?
granite
400
What cementing material often stains the rock red?
iron oxide
400
What is a smooth and shiny rock?
igneous
400
What is a shiny black rock called?
obsidian
500
What describes the way light reflects off the surface of a mineral called?
luster
500
What are igneous rocks formed above Earth's surface called?
extrusive
500
What limestone is used in the classroom?
chalk
500
What is the process by which rocks change from one form to another called?
rock cycle
500
What is a table that shows the hardness of minerals?
Mohs' hardness scale