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A-Level Review for Test 1

Terms in this set (29)

Name the four branches of Earth Science (Give some objects/and or events for each)
Geology - Rocks, earthquakes
Oceanology - Tides, currents
Meteorology - Tornadoes, thunder storms
Astronomy - Stars, Comets
Hydrosphere - Rivers, lakes
Basic unit of length in the metric system is
Meters (m)
Basic unit of volume in metric system is
Liters (L)
Basic Unit of mass in the metric system is
Grams (g)
Conversions: 4.32 cm to m
.0432 m
Conversions: .034 L to mL
432,900,000 mm
Conversions: 43.1 g to kg
0.0431 kg
What happens to the density of an object when you double the mass and volume equally?
It stays the same
If the mass is 24 grams and the volume is 6 cm cubed, what is the density?
4 g/cm^3
If the density is 8 g/cm cubed and the mass is 96 grams, what is the volume?
12 cm^3
What is the volume of an irregular object if the initial volume is 25 mL and the final volume is 16.5 mL?
8.5 mL
Silicates
Have silicon and oxygen next to each other in their chemical formula
Halides
Are ionic compounds of elements on the left side of the periodic chart combined with elements on the left side of the periodic chart
Oxides
A metal combined with oxygen
Native elements
One single elements
Fe2O3
Oxides
Ag
Native elements
Si2O
Silicates
NaCl
Halides
Which crystal shape has all rectangles and three unequal axis?
Orthorhombic
Which crystal shape has equal lengths with 90 degrees?
Cubic
Which crystal has four axes?
Hexagonal
What crystal shape has 90 degrees with two axes with equal lengths?
Tetragonal
Silicates are the most abundant mineral groups (what two elements?)
Oxygen and Silicon
Definition of a mineral
Solid, natural, inorganic, specific chemical composition, atoms are arranged a specific way
Nitrogen atomic structure:
IONS AND ISOTOPES (Which has a different mass number than the periodic chart and which has a different amount of electrons as compared to the protons due an ionic bond?)
Isotope
2 most abundant elements in Earth's crust
Oxygen and silicon
2 most abundant minerals in the Earth's crust
Feldspar and quartz
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