Science Midterm Review
Earth And Space Science with Mrs.chase at Abington Heights High School
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Earth's atmospheres
Anthrosphere
Geosphere
Atmosphere
Hydrosphere
Bioshpere
Density
mass
----------
volume
Percent Error
% error= your result-accepted value
---------------------------------------------- x 100
accepted value
used to express magnitude of error
Absolute Dating
- radioactivity to determine age
- comparing carbon 14 to carbon 12
Relative Dating
- not as accurate as absolute dating
- used in rock
Mineral classification
- occurs natural
- inorganic
- own chemical compostion
- solid
- crystalline structure
Mineral Test's
- color
- streak
- hardness (moh's scale)
- density
- taste
- radioactivity
- luster
- flouresence
- double refraction
- acid test
Native mineral
a mineral that is made of a single element ex. Gold, silver, copper, etc.
Igneous Rock
formed by cooling magma, found deep in the earth or in volcanoes
Extrusive vs. Intrusive
extrusive forms closer to, or on the surface and produces fine grained, glassym and vesicular rocks
intrusive cools slower under the surface and produces coarse grained rocks
Igneous textures
Glassy: coal
Vesicular: pumus
Fragmental
Mafic magma
- aka basaltic
- low viscosity
- high in magnesium and iron
Felsic magma
- aka granitic
- high viscosity
- low in magnesium and iron
Sedimentary Rocks
- chemical
- clastic
- organic
Sedimentary rock formation
- Weathering
- Erosion
- Deposited
- Compacted
- Cemented
Sedimentary Features
- Stratification
- Fossils
- Ripple Marks
- Mud Cracks
- Nodules
- Geodes
Rock Fragment Order
- Clay
- Silt
- Sand
- Pebbles
- Cobbles
- Bolders
Metamorphic rocks
- Heat, pressure, and fluid
- old minerals change and reform to create new rocks
Contact Metamorphism
- small area
- "low grade"
Regional Metamorphism
- large area
- "high grade"
Metamorphic Texture
- Foliated: minerals rearranged into planes or bands
- Nonfoliated: does not contain bands
Rock Cycle
- Metamorphic (heat, pressure, fluid)
- Sedimentary (weathering, erosion, deposition, compacted, cementing)
- Igneous (melted, cooled)
Coal Formation
- Peat
- Lignite
- Bituminous
- Anthracite
Coal facts
- formed in swamps
- 250 mil years ago
- carboniferous (pennsylvainian) period
Renewable Energy
- wind
- solar
- hydro
- geothermal
- energy that is replaced in a human's lifetime
Nonrenewable Energy
- coal
- nuclear
- oil
- energy not replaced
Longitude
- prime meridian is point zero
- as move towards poles, distance between greatens
- meridians
- vertical
Latitude
- horizontal (east to west)
- equator point zero
- parallels
- angular distance
Contour lines
- connect areas of equal elevation
- every fifth line bolded with exact elevation (index contour)
- distance between referred to as "contour interval"
Scale
size of object in proportion to the actual object, measured in a ratio
About this deck
About StudyBlue
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Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
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STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis
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