Quiz Questions
What is the Mohs scale
A scale to measure hardness of minerals
T/F: Metamorphic rocks can come from either sedimentary or igneous rocks
True
Hardness:
Dureza: resistance to being scratched/ deformed
Give two examples of metamorphic rocks:
Marble, quartzite, slate, greiss
Define metamorphic:
Metamórfico : a change of the form or nature of something into something completely different
What is a metamorphic rock
A rock that originally was sedimentary or igneous and was transformed over time by heat and pressure below the Earth’s surface
T/F: Cleavage is a type of breakage that leaves behind a flat surface
True
Lustre:
Brillo: Brightness/ how something reflects light
Name two different types of lustre:
Metallic, vitreous, waxy, dull
What are the 4 layers of the geosphere
Inner core, outer core, mantle, and crust
What is a sedimentary rock?
A rock formed by sediments carried by water that settles at the bottom of a body of water- over millions of years they solidify
T/F: Rocks have to be made up of more than one mineral
False- they can be made of only 1 mineral
Solidify:
Solidificar: to become hard/ solid/ to become stronger
Give two examples of how we use rocks:
Granite- build houses
Chalk- write on board
Slate- roofs
Marble- in homes
What are the four main ways we classify minerals:
Hardness, colour, lustre, and breakage (cleavage/fracture)
What’s the difference between rocks and minerals?
Both are naturally occurring materials, but rocks are made up of minerals
T/F: Diamond is a rock
False it is a mineral
Compress:
Comprimir: flatten by pressure (squeezing or pressing)
Give two examples of how we use minerals:
Mica- toasters
Copper- coins,
Quartz- watches
Gypsum- cement/ casts
T/F: On the Mohs scale, each mineral can scratch the next rock on the scale
False- they can only scratch the ones previous to it
In what type of rocks would you find fossils and why?
In sedimentary rock because settlements can include the remains of animals and plants and because igneous and metamorphic rocks are formed by intense heat which does not preserve remains
T/F: Minerals can be liquid
False they are solid substances
Intrusive rock:
Roca Intrusiva: rock that was formed below the earth’s surface- it is a type of igneous rock
Name a mineral found in the human body:
calcium, fluorite, iron, magnesium are some examples
Why does pumice have a lot of holes?
From the gases in volcanic eruptions