Minerals
Igneous Rocks
Sedimentary rocks
Lava
True or False
100
what is the hardest mineral ?
Diamond
100
How old can an igneous rock be ?
From a billion years to a minute of age
100
What is the main word to describe the sedimentary rocks ?
Layers
100
What kind of rock is made of lava
Igneous rocks
100
There are 3 types of rocks
True
200
What is the softest mineral ?
Talc
200
Before igneous rocks are formed what are they ?
magma / lava
200
what is sedimentary rocks made of ?
minerals sand mud and living things
200
What is lava called before it reaches to universe
magma
200
Earth's crust is mostly made of metamorphic rocks
false
300
On a scale, how hard is the quartz ?
7th hardest
300
What is the lightest igneous rock ?
Pumice
300
What is the percentage of sedimentary rocks on earth surface ?
75%
300
What is one thing that lava contains ?
crystal, melted rock, oxygen, silica, aluminum, calcium, iron, sodium, potassium and titanium
300
most roads are made from igneous rocks
true
400
What is the 3rd softest mineral ?
calcite
400
What is the latin word for igneous ?
Made of fire
400
what are types of sedimentary rocks
chalk, limestone, sandstone,clay and shale
400
How many types of lava are there ?
2
400
Earth's moon is made of igneous rocks
true
500
What is the 8th hardest mineral ?
Topaz
500
How many types of igneous rocks are there ?
over 700
500
How are sedimentary rocks formed ?
By heat and pressure
500
How Hot are Hawaiian volcanoes ?
1165 degrees Fahrenheit
500
Corundum is the 7th hardest mineral
false
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