Show:
rocks
Properties
Minerals
others
Fun Facts
100
What is the kind of rock formed when molten lava cools and hardens
Igenous
100
why would someone do a streak test?
To find the true color of a mineral
100
How do we identify Minerals?
Color/Appearance, Luster, Streak, Hardness, Cleavage/Fracture
100
which comes first in the rock cycle? Igneous= I , Metamorphic=II , Sedimentary=III A. II,III,I B. I,II,III C. I,III,II D. III,I,II
A
100
All minerals are ________?
Inorganic. Because they are made of nonliving particles.
200
What is When you add enough heat and pressure to a sedimentary rock and it will turn it to ____________.
A. Igneous B. Metamorphic rock c. Gold
200
List 4 words used to describe the luster.
Shiny, dull, metallic, non-metallic, pearl.
200
What is Mineral?
Naturally-formed solid substance with a crystal structure
200
True or False? Is Magma part of a rock cycle
True or False? True or False
200
What is a Metamorphic rock
These rocks were once igneous or sedimentary rocks.
300
What is the difference between a rock and a mineral?
A Mineral are one pure substance. Rocks are made up of at least two minerals. A mineral can become a rock but a rock can't become a mineral.
300
The way a rock breaks is called the ________?
Cleavage.
300
What do all minerals have in common?
Formed by natural processes, Are Inorganic, Have a unique chemical composition , Have a crystalline shape, they have a definite volume and shape
300
where are rocks and minerals round?
Rocks and Minerals are found everywhere on earth.
300
why does some rocks have more than one color?
because they contain more than one mineral.
400
Coal is an example of what kind of rock?
A. Sedimentary B. Igneous C. Metamorphic
400
What is hardness
condition of being hard
400
How do minerals form
The cooling of hot, liquid rock called magma.
400
how many properties can rocks be divided into?
Three
400
How do Rocks form?
If you squeeze and heat a rock for a million's and million's years, it can turn into a new kind of rock.
500
Why is rock a good building material
Easy to find and very cheap. Also slow to weathering, high durability and strength.
500
plug in the missing word: Rocks are usually made up of ___ or more minerals.
One
500
name 1-10 the hardness scale
1 2 3 4 5 6 Talc, Gypsum, Calcite, Fluorite, Apatite, Orthoclase, 7 8 9 10 Quartz, Topaz, Corundum, Diamond
500
Where does the pressure come from?
Rocks below the surface are squeezed by the layers of rock above them.
500
How do we know the strength of rocks and minerals?
The Mohs Hardness Scale was designed for us to use as a scale to determine the strength of rocks and minerals.