Rock Types
What type of rock is formed under the surface of the Earth from cooling magma
Intrusive igneous
Recall the difference between magma and lava.
magma - below
lava - above
Recall what cleavage refers to
the tendency of a rock to break in a particular way because of its structure
Define rocks
Rocks are naturally occurring substances made up of one or more minerals
It starts with Kingdom and ends with Species. Name two of the other ranks that make up the system of biological classification
phylum, class, order, family, genus
List two properties of sedimentary rocks
layers
fossils
easily weathered
react with acid (carbonates)
What is the category of weathering caused by contact with other rocks, wind, water or ice.
physical weathering
This rock is full of holes and very light, sometimes even found floating on the surface of water. What is the rock likely to be.
Pumice
Limestone
Name a metamorphic rock and its use
slate - building materials
marble - sculptures, countertops
quartzite - building stone
graphite - pencils
Identify the rock type that is able to become sediment.
Igneous, metamorphic, sedimentary
What can hydrochloric acid be used to test for.
Carbonates/sedimentary rock
The outer core of the Earth is composed of what material?
Liquid iron
Amethyst is the birthstone for which month of the year
Amethyst
A scientist found a rock with layers, and evidence of a fossil. It was rated a 9 on the Mohs scale and what struck cleaved to form a straight plane. What type of rock is this most likely to be.
Metamorphic
A rock is subjected to weathering and erosion. The particles are washed away and then settle and take up less room before forming into a sedimentary rock. Identify the step where they take up less space
Compaction
What is the hardest and softest rock on the mohs scale
hardest - diamond
softest - talc
What state or territory would I find the following rock formations
The pinnacles
Uluru
The Twelve Apostles
The pinnacles - WA
Uluru - NT
Twelve apostles - Victoria
Which superstar Australian footballer (soccer player) was Australia's flag bearer at the coronation of King Charles III
Sam Kerr
(igneous, metamorphic, sedimentary)
answers will vary
igneous - basalt, obsidian, pumice, granite
sedimentary - limestone, sandstone, mudstone
metamorphic - schist, gneiss, slate, marble
Explain the significance of the centre of the Earth having such a high temperature on the rock cycle.
Amethyst is described as translucent. What is the correct definition of translucent
Light can pass through, but no clear image is visible.
The inner core and outer core of the Earth are in different states of matter. Name their states and explain why there is a difference.
Inner - solid
Outer - liquid
Outer is liquid due to the intense heat from the inner core, inner is solid because despite the heat the extreme pressure it experiences due to the additional layers surrounding it means it cannot melt.
There are three countries that have an 'RUS' letter sequence in their name. Name two.