Questions -
Question 1 - Is diamond a mineral? If not, why not?
No. It is organic.
No It is inorganic.
Yes, Diamond is a mineral.
No.. It is a rock but not a mineral.
No. It is not naturally occurring.
Question 2 - Which two of the following are true regarding silicates?
95% of Earth's minerals are silicates.
The silicate anion is composed of silicon and oxygen.
The silicate anion is composed of carbon and sulfur.
About 50% of Earth's minerals are silicates.
Question 3 - Which of the following statements regarding atoms and ions are correct?
When an atom gains an electron it becomes a negatively charged isotope.
Protons are negatively charged.
Anions and atoms are the same thing.
Electrons move around the nucleus creating the volume of an atom.
When an atom loses an electron, it becomes a cation.
Protons and neutrons exist in the nucleus of an atom.
Question 4 - Which of the following describes the formation of an ionic compound?
Electrons are transfered from one atom to another creating ions that attract each other.
Atoms are converted from one form to another.
Protons and neutrons decompose creating radiation.
Two atoms share two or more electrons,
Question 5 - In which of the following situations are minerals likely to form?
In the desert during wind storms.
During erosion caused by wind and weather.
Precipitates form when water evaporates.
During slow cooling of molten rock, crystallizaion occurs.
Differences in temperature and pressure can result in polymorphs forming.
As lava cools extremely quickly. minerals form.
Question 6 - What are the minerals on Moh's Scale of hardness that have the highest and lowest values?
Diamond is highest and Talc is lowest.
Talc is lowest and Iron is highest
Topaz is lowest and Quartz is highest
Calcite is highest and Fluorite is lowest
Gypsum is lowest and Nickel is highest
Question 7 - Mica has a very interesting pattern of _________; which is in thin sheets. This is the tendency to have clean and even breakage along certain planes of weakness.
fracture
cleavage
hardness
density
streak
Question 8 - A dark grey rock when dragged on a white porcelain plate can leave behind a greenish brown line. This is known as ________ and is useful in identifying minerals as it is the powdered form of the mineral.
cleavage
streak
luster
fracture
hardness
Question 9 - Geologists classify all rocks into three broad groups based on ___________.
their mineral content.
how they formed.
what they look like,
on where they were found.
Question 10 - Basalt, obsidian and granite all look very different
because they belong to completely different rock classes.
but they are all Igneous rocks.
because they are all minerals.
because they are Sedimentary and Metamorphic rocks.
Question 11 - Sandstone, conglomerate and limestone
are all Sedimentary rocks.
all belong to different rock classes
are all Metamorphic rocks.
are all Igneous rocks.
Question 12 - Marble, Gneiss and Slate ore all in the same category; they are all ________ Rocks.
Mineral
Igneous
Sedimentary
Metamorphic
Question 13 - A mineral you are trying to identify is hard enough to scratch a copper penny but is scratched by a knife blade. Which of the following might it be?
Orthoclast
Gypsum
Fluorite
Quartz
Topaz
Talc
Question 14 - You find a rock that is composed of weathered and eroded grains of stone which had fallen to the bottom of a body of water and were compressed and cemented together. Based on this, you can conclude that this is a ______ - rock.
Metamorphic
Fluorite
Quartz
Topaz
Talc
Question 14 - You find a rock that is composed of weathered and eroded grains of stone which had fallen to the bottom of a body of water and were compressed and cemented together. Based on this, you can conclude that this is a ______ - rock.
Metamorphic
Igneous
Sedimentary
Question 15 - Which two of the following are correct regarding igneous rocks?
Intrusive Igneous rocks like pumice form when lava is extruded and coals quickly at the surface.
Extrusive Igneous rocks like obsdian form when lava is extruded and cools quickly at the surface.
Extrusive Igneous rocks like limestone form when magma cools and crystalizes deep with the earth.
Extrusive and Intrusive Igneous rocks both form when magma cools and crystalizes deep with the earth.
Intrusive Igneous rocks like granite form when magma cools and crystalizes deep with the earth.
Question 16 - A rock, if subjected to enough heat and pressure can have it's structure compacted and its crystals change or grow to form a new kind of rock, a _______ Rock.
Sedimentary
Igneous
Metamorphic
Quartz
Question 17 - Minerals are classified into seven main groups which are primarily named based on their
anions.
cations.
shape
location.
texture.
Question 18 - The Rock cycle takes place due to interactions between which two major systems? (choose 2)
Digestive System
Solar System
Plate Tectonic System
Biological System
Geodynamo System
Climate System
Question 19 - Is coal a mineral? If no, why not?
No, it is not crystalline
Yes.
No, it is organic.
No, it is inorganic.
No, it does not exist naturally.
Question 20 - What kind of bonds are the basis of most of the minerals on our planet, and also are the kinds of bonds that exist in the substance sodium chloride?
James Bond
Ionic bonds
Covalent bonds
Metallic bonds
Question 21 - Select three of the following rocks we identified in class are correctly described?
Granite is an igneous rock.
magnetite is a metamorphic rock
Conglomerate is a sedimentary rock.
Pumice is a sedimentary rock
Limestone is a metamorphic rock.
Marble is a metamorphic rock
Question 22 - As you recall, the earth system has two sources of energy. Heat from earth's interior powers the formation of which classes of rocks?
Just sedimentary rocks.
Sedimentary and metamorphic.
Just metamorphic.
Igneous and sedimentary,
Igneous and Metamorphic.
All three.
Question 23 - Of the following descriptions of rocks and minerals, choose TWO that are correct.
Marble can form when limestone is subjected to heat and pressure.
Quartz is a common sedimentary rock that cleaves in thin sheets.
Pyrite is a native element, similar to copper.
Graphite and diamond are polymorphs of carbon.
Question 24 - Glassy, nonmetallic and metallic are all forms of a mineral's _______.
hardness
luster
fracture
density
crystal form
Question 25 - Which two of the following correctly describe differences between a rock and a mineral? (choose 2)
Minerals are naturally occurring, rocks are not.
Minerals must have uniform composition, rocks do not necessarily.
Minerals are always organic, rocks can be inorganic also.
Minerals are composed of elements, rocks are composed of minerals.
Minerals must be solid, rocks are not necessarily solid.