key terms
about rocks
about minerals
mining
interesting facts
100
what is the earth made up of?
rocks and minerals
100
what are igneous rocks?
igneous rocks are slowly formed when a hot liquid rock from beneath earths surface cools and hardens.
100
what are minerals?
elements
100
what are ores?
ores are rocks that contain large amounts of certain metals
100
what is most of the ocean floor made of?
basalt
200
what are rocks made from?
2 or more minerals
200
what are rocks made from?
2 or more minerals
200
how has mining changed the land?
it has token away many animal habbitats
200
what does the word geology mean in the Greek language?
the study of the earth
300
what are minerals?
elements
300
what are sedemetery rocks.
are formed on top of existing rocks and are made from materials from other rocks.
300
how much salt does a person eat each year?
5.4 kg
400
what is fly ash?
fly ash comes from aluminum, calcium, coal, iron
400
what are metamorphic rocks?
formed when igneous or sedemetery rock or both is heated or squeezed
400
what is coulor?
coulor is a very important clue to identify a mineral
400
what can we make from old mining areas?
a swimming pool and a garden
400
are some minerals attached to magnets?
some minerals are attached to magnets
500
what can rocks tell us about land?
rocks can tell us about land in the different areas were formed and how they changed over time.
500
what is concrete?
concrete is a building material made from cement
500
what is magnetism?
some minerals can be attracted to magnets
500
what can you mine from beneath earth?
dimand ruby emerald sapphire
500
what is an element?
an element is a substance that cant be broken down into simple means
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