2N

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2N Rock n Roll Glossary
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Amethyst An amethyst is a mineral. It is also
a type of quartz that is purple .
An amethyst is expensive when you buy it in a
store.
Stephanie
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Basalt Basalt is a rock and it is mostly under
the water. It can be brown or black. Basalt is
the most common rock. It is made from lava after
it cools.
Some basalt rock is under the sea.
Caroline.
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Crust The outside of the earth is a shell of
hard rock and soil. This shell is called the
earths crust.
When people drill for oil they break through the
crust of the earth.
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Diamonds Most diamonds are colorless and the
most famous diamonds in the world is from India.
They used for tools and jewelry. Diamonds are
usually cut in the brilliant style so they shine.

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Some people wear rings with diamonds on it.
Olivia
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Earthquakes Earthquakes happen when two plates
hit each other and move. Then the earth shakes
and the earths crust can break.
Earthquakes are very dangerous because when the
earth shakes buildings fall.
Alioth
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Fold mountain Fold mountains occur when two
plates push into each other crumpling up the land
between into gigantic folds.
The worlds greatest mountain ranges are fold
mountains. By Felix
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Geologist Geologists are people who study
about rocks and minerals.

Kate
Geologists help the world by studying about
rocks.
Kate
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Heat Heat is when something is hot. We get heat
from the sun and from magma in volcanoes.
I like heat because it keeps me warm. NAMI
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Igneous Igneous comes from a word that means
fire the heat inside the earth is like fire.
It can melt rocks.
Igneous rock comes from volcanoes. ELIANE
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Jack hammer Jack hammer can break rocks and hard
things. A jack hammer is a tool that goes up and
down.
A jack hammer has a sharp point at the end of it.

Stephen
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Kilimanjaro Mount Kilimanjaro is a really tall
mountain in Africa.
Rafael

Kilimanjaro is a mountain that is made from all
different rocks and fossils and soil.
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Melted rock is magma inside of a volcano. When
the volcano erupts magma comes out of the volcano
and this is called lava. When it cools it
becomes rock again.
Lava
Oh, no the lava is flooding the city!
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Magma Magma is lava inside the earth. Magma is
melted rock. It is very, very, very hot.
If you fall into magma you will burn to
death. Robert
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Metamorphic Metamorphic means change. When rock
changes into another rock by heat pressure and
time.
Marble is a metamorphic rock.
Zachary
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Nephrite Nephrite is a rock. Another name is
greenstone. Nephrite is more common than jadeite
and is green, grey or creamy white. Its usually
found in streams.
Ciaran
If you hold nephrite up to the light you can see
through some parts of it.

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Obsidian This igneous rock comes out of a
volcano and went from very hot to very cold
quickly. It looks a bit like glass and is
usually black. It has sharp edges.
I looked on the ground and found some shiny
obsidian rock.
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Plates Plates are large land masses that hold up
continents. When they crack or move they can
cause earthquakes.
The plates under the sea move slowly and
sometimes this causes earthquakes.
Robert
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Quartz Quartz rock crystal is found all over
the world. It is one of the most common minerals
in the earths crust.
Amethyst is purple quartz. Quartz can be
different colors depending on the minerals inside
the rock.
Juan Pablo
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Ruby Rubies are a red precious crystal.
People sometimes use it for rings.
Do you know that rubies can cost more than 100
euro!
Henry
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Stalactites Stalactites hang from the top of
the cave roof. Stalagmites are the same but just
on the bottom of the cave floor.
Stalagmites and stalactites come from the water
that drips down.
kyle
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Turquoise A Turquoise rock is blue or dark
blue or a light blue . Turquoise is made up of
many crystals . Its color is largely due to
copper and trace of iron.
You can find turquoise in the ground.
Olivia
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Underground stream An underground stream is
flowing water thats inside the earth !
The underground stream gets there when it rains.
A lot of rain goes through the shower head and
makes an underground stream !
By Kean Seeger
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Volcano A volcano is a mountain that has two
plates under it and when the two plates push
together they make very hot things called lava
ash and hot gases come out of the volcano.
Zachary
RUN there is a volcano about to erupt!
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Water Water is a liquid. Most of the world is
covered with water. People drink water.
I like water because it is good for you. You
can see through it.
ciaran
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Xanthopsis pps Xanthopsis pps is a rock which
has a crab fossil inside.
The geologists sometimes finds fossils like
xanthopsis pps in rocks.
Alioth
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Yellow Beryl Yellow beryl can be any shape. It
is a pale yellow to a rich golden color. Yellow
Beryl is used for gemstones.
Yellow beryl is a crystal that is yellow. It is
beautiful. Beatrice
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I love zircon it is beautiful. Sarah.
Zircon Zircon crystals can be colorless or
yellow, red ,sky blue, bright green, brown, and
orange. Zircon can be used for jewellery.
Zircon can be found world wide.