Show:
Rocks
Minerals
Sedimentary
Igneous
Metamorphic
100
The solid mineral material forming part of the surface of the earth and other planets.
What is a rock
100
This describes what rocks are usually composed of.
What is a mineral
100
make up about three-quarters of the rocks at the Earth’s surface.
What is Sedimentary
100
Rocks that are produced when melted rock cools and hardens are called _______________ rocks.
What is Igneous
100
Sanstne becomes Quartize
What is rocks being changed
200
Rocks are made of combinations of different minerals or can be derived from organic processes, as is the case with coal.
What are rocks made of
200
When hit with a hammer, most minerals will show
What is fracture
200
created when organisms use materials dissolved in air or water to build their tissue.
What is Biochemical Sedimentary
200
The oldest type of all rocks
What is Igneous
200
The oldest known rock lies in Canada.
What is Acasta gneiss
300
Sedimentary, Igneous, Metamorphic
What is the types of rocks
300
natural, inorganic, and has a crystalline structure
What is Quartz
300
Chemical weathering in a soil tends to create what shape of rock fragments?
What is spheroidal
300
The word "igneous" comes from a Greek word
What is fire
300
Metamorphic rocks form when
What is heat and pressure change rocks
400
what rock groups can form from metamorphic rock?
What is Sedimentary rock
400
This statement best expresses the relationship between rocks and minerals.
What is Rocks are usually made of minerals.
400
Which type of weathering works most effectively on limestone?
What is Dissolution
400
Basalt is an example of
What is Igneous
400
In what plate tectonic setting does regional metamorphism usually take place?
What is Convergent boundaries
500
The rock cycle
What is happening all the time
500
What silicate mineral is found in metamorphic rock of all grades?
What is Migmatite
500
Broken pieces of rock are deposited into piles and are cemented together by other minerals. What type of rock has been formed?
What is Sedimentary
500
extrusive igneous rock that cooled so fast that it has no crystals and looks like shiny, black glass.
What is Obsidian
500
Which of these metamorphic rocks breaks along foliation lines
What is Schist