MID-TERM Flashcards
Minerals
Natural, solid, inorganic, definite chemical comp, crystal structure due to internal arrangement of atoms
scientific method
Question, test, analyze, conclude
Mineral formation
In Magma, evaporation, and pressure
Mineral hardness
Abi,it’s to scratch another mineral
Crystal shape
External structure due to internal structure of the atoms
Luster
Describes how light reflects off of the mineral
Color
results from ability to absorb some wavelengths and reflect others
Streak
Color of powder when rubbed in a streak plate
Cleavage
When minerals split along flat surfaces
Fracture
When the mineral breaks unevenly
Density
Mass/Volume
Specific gravity
Density of mineral/ density of water
Magnetism
Many iron minerals will produce an invisible magnetic force field
Mineral groups
Silicates Native elements Carbonates Halides Phosphates Oxides Sulfides Sulfates
Silicates
Largest group, composed of silicon bonded with oxygen atoms
Beaker
Mixing a solution or collecting liquid
Piper
Use to withdraw or dispense small amounts of liquid
Graduated cylinder
Measure volumes of liquids
Timer/ stopwatch
To measure time
Meter stick
To measure length or distance
Triple beam balance
To measure mass
Stalactites
Top down
Stalagmites
Bottom up
Units of measurement
Kilo Hecto Deca BASE UNIT Deci Centi Milli
Branches of science
Geology (rocks, minerals)
Meteorology (weather)
Oceanography (everything in oceans)
Astronomy (outer space)
Prime meridian
East/west hemispheres
Equator
North and south hemispheres
How many degrees east and west are there?
180
How many degrees from north and south are there?
90
Type of map that shows depth below sea level
Bathymetric
How is a Mercator projection created
Cylindrical