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Rocks and Minerals

6th Grade Rocks and Minerals

QuestionAnswer
A mineral is inorganic, which means that it contains ______. no materials that were once part of living things
The repeating pattern of a mineral's particles forms a solid called a ___________. crystal
What is the hardest known mineral? Diamond
Most minerals do NOT split apart evenly. Instead they have a characteristic type of ________. fracture
What is the softest mineral on the Mohs hardness scale? talc
Igneous rock that cools very quickly when it forms has a texture that is ________. smooth and shiny with no visible grain
When all grains in a rock are large and easy to see, the rock is described as _______. coarse grained
What do geologists determine to describe a rock's texture? the size, shape, and pattern of the rock's grains
What rock is formed from the cooling of magma below the surface or lava at the surface? igneous
Igneous rocks that formed from lava that erupted onto Earth's surface is called ___________ rock. extrusive
What is the process in which running water, ice, or wind loosen and carry away rock fragments? erosion
What rocks have their grains arranged in parallel layers or bands? Foliated
Heat and pressure deep beneath Earth's surface can change any rock into _____________. metamorphic rock
A series of processes on Earth's surface and in the crust and mantle that slowly changes rocks from one kinds to another is called ___________. the rock cycle
Shiny, metallic, and pearly are terms used to describe _______________. luster
What rocks are igneous rocks that formed beneath Earth's surface? intrusive
A mineral with a hardness of 6 will scratch a mineral with a hardness __________ than 6. less
High pressure can change an igneous rock into a _____________________. metamorphic rock
What is the process in which dissolved minerals and particles of sediment stick together to form sedimentary rock? cementation
Small, solid pieces of material that come from rocks or living things are called ____________. sediment
What is the process by which sediment settles out of wind or water? deposition
What is a rounded, hollow rock that is often lined with mineral crystals? geode
How does metamorphic rock change to sedimentary rock? Metamorphic rock could be exposed and erode. The eroded particles are deposited, then compaction and cementation change them into sedimentary rock.
What is needed for deposition to end and compaction to begin? increased pressure and temperature
Created by: Pacelli
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