quiz 1m Flashcards
Which will not be one of the major sections of the material covered in this class
Fossils and how life on Earth has changed over time
The Earth’s internal heat engine provides the energy for
Earthquakes
The Earth’s tectonic plates are moved by convection in the
Mantle
All of the Earth’s ovean floor was created in
mid-ocean ridges
What feature is found when two oceanic plates converge
trench
Compared to oceanic crust, continental crust is
less dense
The deepest earthquakes are
where plates are converging
The Himalaya mountains formed
as two continents collided
A rift valley would be found where tectonic plates are
diverging
The Hawaiian islands are
over a hot spot in the mantle
The atomic particle with a positive electrical charge is called
proton
Since the atomic number of F is 9 the isotope 19F must have
9 protons
Which of the following elements would form cations
Iron
The sun’s energy is produced by
nuclear fusion
An amorphous solid is a
glass
The type of chemical bond that is most flexible is the
metallic
A mineral must be
solid, naturally occuring, inorganic, crystalline soild that has a specific chemical composition
Positive ions are called
Cations
Negative ions are called
anions
What is a polymorph
different crystal structures having the same composition
Which of the following is not a mineral
quartz, ice, diamond, wood, sulfur
Which of the following is not a meneral
copper, oil, graphite, calcite, mica
Metallic, glassy and dull are examples of
Luster
Which property is useful in identfying almost all minerals
hardness
A mineral that breaks into curved or irregular fragments is demostrating
fracture
The streak of a mineral describes
the color of the powder left on a white plate
Mafic minerals are rich in
(MaFic) iron and magnesium
Silica tetrahedra contain a silcon atom surrounded by atoms of what element?
Oxygen
