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Which of the following is NOT a characteristic of a mineral?
has a definite chemical makeup
can be solid, liquid, or gas
has a crystal structure
forms in nature
Which of the following is true of a mineral found in both China and Spain?
Both have the same chemical makeup
The mineral in Spain is not as strong as the one in China
The mineral in China only has materials native to China
The mineral in China is darker than the one in Spain
Why is a perfect crystal rare?
Large, open, uninhabited spaces are rare in Earth's crust
natural elements erode crystal structures
atoms of crystals break down once exposed to sunlight
crystals always experience irregularities at a certain age
What causes two minerals of the same chemical composition to have different crystal structures?
temperature
location of growth
arrangement of atoms
age
How do scientists classify minerals into groups?
by compostion
byshape
by age
by color
What do all silicates contain?
silicon and quartz
mica and water
oxygen and silicon
water and copper
Which of the following elements is most commonly found in the Earth's crust?
silicon
calcium
oxygen
iron
What percentage of the rocks in Earth's crust is made up of silicates?
10%
90%
30%
70%
Which mineral is common in seashells?
quartz
tin
calcite
carbon
What is usually joined with oxygen to create oxide?
a crystal
a metal
a gas
a liquid
MINERALS are formed by natural processes.
the amount of space an object takes up
a machine or tool used for a particular purpose
a substance that forms in nature, solid, definite makeup
a part considered in relation to a whole
The new DEVICE will be used to purify water.
a machine or tool used for a particular purpose
the amount of space an object takes up
made liquid by heat
a part considered in relation to the whole
A mineral is a substance that has a DEFINITE chemical makeup.
not likely to change
made liquid by heat
a usually light-colored, coarse-grained igneous rock
the amount of space an object takes up
Minerals in GRANITE develope when molten rock cools.
a usually light-colored, course-grained igneous rock
white covering of ice particles
made liquid by heat
a machine or tool used for a particular purpose
A pea has a smaller VOLUME than a cherry.
made liquid by heat
white covering of ice particles
a part considered in relation to the whole
the amount of space an object takes up
There was FROST on the grass this morning.
a usually light-colored, coarse-grained igneous rock
made liquid by heat
a machine or tool used for a particular purpose
white covering of ice particles
