Rocks
A rock is a __________ that is made of 2 or more minerals
solid
Name the hardest and softest minerals
talc, diamond
________ is the process of wearing away or changing the appearance of something.
weathering
Name one use of rocks in everyday life
roads, buildings...
Name one use of minerals in everyday life
cosmetics, jewelry...
Rocks are man made
True or False
False
A mineral, by definition, is a _______ occurring inorganic solid that has a definite chemical composition
naturally
______ is the what happens when _____, _____ or ice move the small pieces of rocks that are changed or broken apart by weathering.
erosion, wind, water
____________________ rocks form when sediment hardens at the bottom of rivers and oceans.
sedimentary
minerals have a definite shape
true or false
true
_________ rocks form when melted rock material (magma or lava) cools and solidifies.
igneous
There are over ___________ minerals
2000
______ erosion happens when winds blow away tiny rock fragments.
wind
igneous rocks which cooled below the surface of the earth are known as __________ rocks
intrusive
Color is usually the same throughout the mineral
True or False
True
Wind and water break rocks into small pieces called _______________________.
sediment
The hardness of a mineral refers to its ability to resist _________.
scratching
A person who studies minerals is called a
geologist
____________________________ rocks form when ____________ and _________________ deep inside the earth cause igneous and sedimentary rocks to change.
metamorphic, heat and pressure
Mrs. Mendoza's favourite mineral
diamond!!!
Name the 3 types of rocks
metamorphic, igneous and sedimentary
Name the 5 properties of minerals
lustre, streak, transparency, hardness and colour
the _____ _______ is the process that makes and recycles rocks.
rock cycle
what are the 2 types of igneous rock?
intrusive and extrusive
This is the scale used to determine a minerals hardness
Mohs scale