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