dam placed across a river to block or control the flow of water
TRANSCRIPT
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DamDam
Placed across a river to block or control Placed across a river to block or control the flow of water.the flow of water.
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ReservoirReservoir
Lake where water is stored from a dam.Lake where water is stored from a dam.
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CofferdamCofferdam
Temporary water tight walls used to keep Temporary water tight walls used to keep a construction site dry during the a construction site dry during the construction of a dam.construction of a dam.
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EmbankmentEmbankment
Blocks the flow of water.Blocks the flow of water.
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OutletOutlet
Controls the flow of water through or Controls the flow of water through or around a damaround a dam
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SpillwaySpillway
Allows excess water to bypass the dam Allows excess water to bypass the dam when a reservoir becomes to full.when a reservoir becomes to full.
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Irrigation CanalsIrrigation Canals
Carry water from a place where water is Carry water from a place where water is plentiful to a place where it is needed.plentiful to a place where it is needed.
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Navigation CanalsNavigation Canals
Connects two bodies of water.Connects two bodies of water.
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Erie CanalErie CanalConnects New York to Great Lake Connects New York to Great Lake
RegionRegion
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Panama CanalPanama CanalConnects Atlantic Ocean and Connects Atlantic Ocean and
Pacific OceanPacific Ocean
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LockLock
Enclosed part of a canal with a gate that Enclosed part of a canal with a gate that allows ships to pass through.allows ships to pass through.
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TunnelTunnel
Underground passagewaysUnderground passageways
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PipelinesPipelines
Used to transport oil, natural gas, water Used to transport oil, natural gas, water etc…etc…
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Great Alaska PipelineGreat Alaska Pipeline800 miles800 miles
Sends oil to USSends oil to US
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Air Supported StructureAir Supported Structure
Air pressure used to support walls.Air pressure used to support walls.
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Metro DomeMetro Dome
http://www.youtube.com/watch?http://www.youtube.com/watch?v=IxuxNLf87_Yv=IxuxNLf87_Y
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Space StationsSpace Stations
Structures that allow people to live in Structures that allow people to live in space.space.
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SkylabSkylab
First space station of the United States.First space station of the United States.
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MirMir
First Russian space stationFirst Russian space station
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International Space StationInternational Space Station
Space station operated by the United Space station operated by the United States and 15 other nationsStates and 15 other nations
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Three advantages of building damsThree advantages of building dams
Store waterStore water
Provide a supply of waterProvide a supply of water
Control the flow of waterControl the flow of water
RecreationRecreation
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Materials that dams are Materials that dams are constructed fromconstructed from
EarthEarth
ConcreteConcrete
WoodWood
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Why are spillways important to Why are spillways important to dams?dams?
Keeps water from flowing over the top of Keeps water from flowing over the top of dam when there is excessive rain.dam when there is excessive rain.
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What is the main reason to build What is the main reason to build canals?canals?
To connect two bodies of water. Saves on To connect two bodies of water. Saves on travel time.travel time.
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What are reasons for building What are reasons for building tunnels?tunnels?
To move people and materials To move people and materials underground.underground.
FasterFaster
Takes up less space above ground.Takes up less space above ground.
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Three types of tunnelsThree types of tunnels
Earth- Use soil to build dam.Earth- Use soil to build dam.
Immersed- Pre-fabricated tunnelImmersed- Pre-fabricated tunnel
Rock- Blasting and boring machinesRock- Blasting and boring machines
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ChunnelChunnel
Tunnel that connects England and France. Tunnel that connects England and France. One of the longest tunnels in the world. One of the longest tunnels in the world.
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How do pipelines keep pressure How do pipelines keep pressure and keep products moving?and keep products moving?
Above ground pumping stationsAbove ground pumping stations
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How are sections of pipelines How are sections of pipelines inspected for leaksinspected for leaks
X-raysX-rays
UltrasoundUltrasound
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Why must the earth be packed Why must the earth be packed tightly around pipelines?tightly around pipelines?
To keep ground from settling and causing To keep ground from settling and causing pipe to move and burst.pipe to move and burst.
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Four elements that make up an air Four elements that make up an air supported structure.supported structure.
MembraneMembrane
Means of supporting membraneMeans of supporting membrane
Anchoring membraneAnchoring membrane
Way in and out.Way in and out.
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What is the membrane of an air What is the membrane of an air supported structure made from?supported structure made from?
Synthetic materialSynthetic material
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How do you get in and out of an air How do you get in and out of an air supported structure?supported structure?
Air lockAir lock
Revolving DoorRevolving Door
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Why are traditional doors not used Why are traditional doors not used in air supported structures?in air supported structures?
Hard to open door.Hard to open door.
Air will escapeAir will escape
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What is the main advantage of air What is the main advantage of air supported structures?supported structures?
Can be set up and taken down fast and Can be set up and taken down fast and easily.easily.
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How do space stations produce How do space stations produce power?power?
SolarSolar
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How was Skylab launched into How was Skylab launched into space? What yearspace? What year
Saturn V RocketSaturn V Rocket
19731973
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What was the longest stay of a What was the longest stay of a astronaut on Skylab?astronaut on Skylab?
84 Days84 Days
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What was the purpose of Skylab?What was the purpose of Skylab?
To study how the human body reacts to To study how the human body reacts to spacespace
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What happened to Skylab?What happened to Skylab?
Fell to the earth and burned up in the Fell to the earth and burned up in the atmosphereatmosphere
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What date did the Russian space What date did the Russian space station Mir take orbit?station Mir take orbit?
February 20, 1986February 20, 1986
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How long was Mir in Orbit? What How long was Mir in Orbit? What happened to the space station?happened to the space station?
15 Years15 Years
Diverted into the atmosphere and burned?Diverted into the atmosphere and burned?
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How are materials delivered to the How are materials delivered to the International Space Station.International Space Station.
Space ShuttleSpace Shuttle
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What year did the first crew begin What year did the first crew begin to live on the ISS? to live on the ISS?
How many astronauts live on the How many astronauts live on the ISS at one time?ISS at one time?
20002000
66
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Explain the orbit of ISSExplain the orbit of ISS
220 miles above the earth.220 miles above the earth.
Flies at 17, 500 mphFlies at 17, 500 mph
Circles the earth every 90 minutesCircles the earth every 90 minutes