UNIT 4: EARTH’S SYSTEMS AND...
Transcript of UNIT 4: EARTH’S SYSTEMS AND...
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UNIT 4: EARTH’S SYSTEMS AND
PROCESSESAP ENVIRONMENTAL SCIENCE
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WARMUP•PLEASE SET UP YOUR LAB NOTEBOOKS
FOR TODAY’S LAB. BE SURE TO CREATE
YOUR DATA TABLES.
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ABOUT SOIL• SOIL IS FORMED WHEN PARENT MATERIALS IS
WEATHERED, TRANSPORTED, AND DEPOSITED
• THEY ARE NORMALLY CATEGORIZED BY HORIZONS
AS THEY FORM, BASED ON COMPOSITION AND
ORGANIC MATERIAL
• WIND AND WATER CAN ERODE SOIL AWAY-
PROTECTING SOIL IS IMPORTANT. IT IS VITAL FOR
LIFE AND FILTERS WATER-PLANTING TREES CAN HELP!
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SOIL COMPOSITION• SOIL CAN HOLD DIFFERENT AMOUNTS OF
WATER BASED ON ITS TYPE; THIS CONTRIBUTES
TO THE FERTILITY OF SOIL
• SOIL TESTING IS IMPORTANT, ESPECIALLY FOR
AGRICULTURE AND IRRIGATION
• THE SOIL TEXTURE TRIANGLE HELPS IDENTIFY
SOIL BASED ON ITS COMPOSITION
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HOMEWORK
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LAUNCH
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WARMUP•PLEASE GET BACK WITH YOUR GROUPS
FROM YESTERDAY AND CONTINUE YOUR
LAB. IF YOU WERE ABSENT, TAKE SOME
TIME TO SET UP YOUR LAB NOTEBOOK
BEFORE JOINING A GROUP.
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HOMEWORK
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LAUNCH
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WARMUP•PLEASE SET UP YOUR LAB NOTEBOOKS FOR
TODAY’S LAB.
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PLATE TECTONICSTYPES OF BOUNDARIES
CONVERGENT DIVERGENT TRANSFORM
When two plates move
together
When two plates move
apart
When two plates scrape
past each other
horizontally
Can result in mountains,
island arcs, earthquakes,
and volcanoes
Can result in seafloor
spreading, rift valleys,
volcanoes, and
earthquakes
Can result in earthquakes
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EARTHQUAKES• EARTHQUAKES OCCUR WHEN
STRESS OVERCOMES A
LOCKED FAULT ON A
BOUNDARY, RELEASING
STORED ENERGY IN THE FORM
OF A VIBRATION
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GLOBAL DISTRIBUTION OF PLATE BOUNDARIES
CAN BE USED TO
DETERMINE THE
LOCATION OF
VOLCANOES, ISLAND
ARCS, EARTHQUAKES,
HOTSPOTS, AND
FAULTS
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HOMEWORK
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LAUNCH
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WARMUP• WITH YOUR TABLE, COME UP WITH 1 CHARACTERISTIC OF EACH
ATMOSPHERIC LAYER.
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ATMOSPHERIC COMPOSITION
• NITROGEN – 78%
• OXYGEN – 21%
• ARGON – 1%
• ALL OTHERS - <1% (TRACE
AMOUNTS)
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LAYERS OF THE ATMOSPHERE
• TROPOSPHERE: WHERE WEATHER
OCCURS
• STRATOSPHERE: OZONE LAYER
LOCATED HERE
• MESOSPHERE: METEOR PROTECTION
• THERMOSPHERE: AURORA LIGHTS
• EXOSPHERE: FADES TO SPACE
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GLOBAL WINDS• THE MOST INTENSE SOLAR RADIATION ARRIVES AT
THE EQUATOR, CREATES A DENSITY DIFFERENCE THAT
CREATES WIND PATTERS AS HOT AIR RISES, COOLS,
AND SINKS
• THE CORIOLIS EFFECT: IN SIMPLE TERMS, THE
CORIOLIS EFFECT IS A POWERFUL FORCE THAT
MAKES THINGS (LIKE CURRENTS OF AIR) TRAVELING
LONG DISTANCES AROUND EARTH APPEAR TO
MOVE AT A CURVE AS OPPOSED TO A STRAIGHT
LINE
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GLOBAL WIND PATTERNS
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HOMEWORK
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LAUNCH
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WARMUP• WITH YOUR TABLE, DETERMINE 3 NATURAL CAUSES OF CLIMATE
CHANGE.
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WEATHER VS. CLIMATE• WEATHER DESCRIBES THE DAY TO DAY DAILY RECORDINGS, SUCH
AS TEMPERATURE, HUMIDITY, AND CLOUD COVER. CLIMATE
DESCRIBES THE GENERAL CHARACTERISTIC OF A REGION OVER
TIME, BASED ON AVERAGE TEMPERATURE AND RAINFALL
• BOTH ARE INFLUENCED BY BOTH SOLAR RADIATION AND FACTORS
SUCH AS MOUNTAINS AND OCEAN TEMPERATURES
• RAIN SHADOW: REGION THAT HAS BECOME DRIER BECAUSE HIGH
ELEVATION AREAS HAVE BLOCKED PRECIPITATION FROM REACHING
THE LAND
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EL NIÑO AND LA NIÑA• EL NIÑO: PHENOMENA ASSOCIATED WITH
CHANGING OCEAN TEMPERATURE IN THE
PACIFIC OCEAN DUE TO WEAK WINDS.
WARM WATER IS NOT FORCED WESTWARD
AS NORMAL. LA NIÑA IS THE OPPOSITE
EFFECT.
• CAN CAUSE GLOBAL CHANGES TO
RAINFALL, WIND, AND OCEAN CIRCULATION
PATTERNS
• MAY AFFECT DIFFERENT LOCATIONS IN
DIFFERENT WAYS
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EL NIÑO WEBQUEST
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HOMEWORK
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LAUNCH
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WARMUP• WITH YOUR TABLE, DIAGRAM THE CAUSE OF THE SEASONS.
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SOLAR RADIATION• AS YOU MAY REMEMBER, SOLAR ENERGY IS THE MAIN ENERGY SOURCE
ON EARTH. THE INTENSITY DEPENDS ON SEASON AND LATITUDE.
• DUE TO THE SHAPE OF EARTH, LATITUDE DIRECTLY HORIZONTAL TO
SOLAR RADIATION RECEIVES THE MOST INTENSITY. THE EQUATOR IS
ALWAYS IN DIRECT SOLAR LIGHT, AND THE INTENSITY DECREASES AS
YOU GO TOWARD THE POLES
• THE MOST SOLAR RADIATION IS RECEIVED ON THE LOCATIONS LONGEST
SUMMER DAY, AND LEAST ON THE LOCATIONS SHORTEST WINTER DAY
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SEASONS• INFLUENCES BY THE TILT OF EARTH’S
AXIS
• WHEN THE NORTHERN HEMISPHERE IS
TILTED TOWARD THE SUN, WE
EXPERIENCE SUMMER. AS THE EARTH
REVOLVES, WE TILT AWAY FROM THE
SUN AND HAVE WINTER. THE
SOUTHERN HEMISPHERE EXPERIENCES
THE OPPOSITE SEASON.
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SOLAR RADIATION LAB
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HOMEWORK
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LAUNCH
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WARMUP•WITH YOUR TABLE, IDENTIFY 2 WAYS A WATERSHED
COULD BE CONTAMINATED.
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CRUMPLE A WATERSHED
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HOMEWORK•PROGRESS CHECK UNIT 4, ON COLLEGEBOARD
•STUDY GUIDE POSTED TO CANVAS
•READING GUIDE AND EDPUZZLES DUE
TOMORROW
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LAUNCH
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WARMUP•PLEASE HAVE READING GUIDE OUT FOR COLLECTION.
USE TIME BEFORE LUNCH TO STUDY.
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LAUNCH