This word comes from the Latin word ignis which means "of fire."
What is The word igneous?
100
Can be forced into rocks, blown out in volcanic explosions or forced to the surface as lava.
What is Magma?
100
This helps to bring metamorphic rock to the Earth's surface
What is uplift and erosion?
100
This breaks down rocks into small pieces known as sediment.
What is Erosion?
100
This stone was named after the seeds of a pomegranate
What is a gemstone?
200
Hardened magma, which can happen above or below ground
What is Igneous rock?
200
An unusual, light rock formed when molten rock is rapidly blown out of a volcano, making bubbles as it quickly loses pressure and cools at the same time.
What is Pumice stone?
200
A type of coal with a high carbon count, few impurities and it looks very shiny
What is an Anthracite Rock?
200
Older layers become compressed and hard. In time, the sediment turns to this
What is Rock?
200
This is the hardest gemstone
What is a diamond?
300
These Rocks form when igneous, sedimentary and metamorphic rocks recrystallize without melting within the Earth.
What are Metamorphic rocks?
300
A rock formed from volcanic ash
What is Tuff?
300
This is a metamorphic rock that is formed from the sedimentary rock limestone
What is Marble?
300
This rock is made from grains of sand that have melded together over time
What is Sandstone?
300
This is the softest gemstone
What is Amber ?
400
These rocks are exposed on the surface, time and weather break the rock down into smaller and smaller pieces.
What is Igneous Rocks?
400
This is made up of around 95% igneous rock
What is the earths Crust?
400
This rock is a metamorphic rock that is formed from the sedimentary rock sandstone
What is Quartzite?
400
This rock is often made from the fossilized remains of ocean life that died millions of years ago
What is Limestone?
400
This word comes from the Latin rubens which means red
What is a ruby?
500
Wind and water carry the smaller pieces of igneous rocks into piles called ______.
What is sediment beds?
500
A common rock that contains at least 25% quartz and is sometimes used in construction because of its strength
What is Granite?
500
A metamorphic rock that is formed from the sedimentary rock mudstone
What is Slate?
500
This is a sedimentary material made from bits of weathered rock that have combined with water
What is Clay?
500
This is one of the four most recognized gemstones around the world