dam placed across a river to block or control the flow of water

45
Dam Dam Placed across a river to block Placed across a river to block or control the flow of water. or control the flow of water.

Upload: cassandra-willis

Post on 28-Dec-2015

221 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Dam Placed across a river to block or control the flow of water

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.

Page 2: Dam Placed across a river to block or control the flow of water

ReservoirReservoir

Lake where water is stored from a dam.Lake where water is stored from a dam.

Page 3: Dam Placed across a river to block or control the flow of water

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.

Page 4: Dam Placed across a river to block or control the flow of water

EmbankmentEmbankment

Blocks the flow of water.Blocks the flow of water.

Page 5: Dam Placed across a river to block or control the flow of water

OutletOutlet

Controls the flow of water through or Controls the flow of water through or around a damaround a dam

Page 6: Dam Placed across a river to block or control the flow of water

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.

Page 7: Dam Placed across a river to block or control the flow of water

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.

Page 8: Dam Placed across a river to block or control the flow of water

Navigation CanalsNavigation Canals

Connects two bodies of water.Connects two bodies of water.

Page 9: Dam Placed across a river to block or control the flow of water

Erie CanalErie CanalConnects New York to Great Lake Connects New York to Great Lake

RegionRegion

Page 10: Dam Placed across a river to block or control the flow of water

Panama CanalPanama CanalConnects Atlantic Ocean and Connects Atlantic Ocean and

Pacific OceanPacific Ocean

Page 11: Dam Placed across a river to block or control the flow of water

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.

Page 12: Dam Placed across a river to block or control the flow of water

TunnelTunnel

Underground passagewaysUnderground passageways

Page 13: Dam Placed across a river to block or control the flow of water

PipelinesPipelines

Used to transport oil, natural gas, water Used to transport oil, natural gas, water etc…etc…

Page 14: Dam Placed across a river to block or control the flow of water

Great Alaska PipelineGreat Alaska Pipeline800 miles800 miles

Sends oil to USSends oil to US

Page 15: Dam Placed across a river to block or control the flow of water

Air Supported StructureAir Supported Structure

Air pressure used to support walls.Air pressure used to support walls.

Page 16: Dam Placed across a river to block or control the flow of water

Metro DomeMetro Dome

http://www.youtube.com/watch?http://www.youtube.com/watch?v=IxuxNLf87_Yv=IxuxNLf87_Y

Page 17: Dam Placed across a river to block or control the flow of water

Space StationsSpace Stations

Structures that allow people to live in Structures that allow people to live in space.space.

Page 18: Dam Placed across a river to block or control the flow of water

SkylabSkylab

First space station of the United States.First space station of the United States.

Page 19: Dam Placed across a river to block or control the flow of water

MirMir

First Russian space stationFirst Russian space station

Page 20: Dam Placed across a river to block or control the flow of water

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

Page 21: Dam Placed across a river to block or control the flow of water

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

Page 22: Dam Placed across a river to block or control the flow of water

Materials that dams are Materials that dams are constructed fromconstructed from

EarthEarth

ConcreteConcrete

WoodWood

Page 23: Dam Placed across a river to block or control the flow of water

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.

Page 24: Dam Placed across a river to block or control the flow of water

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.

Page 25: Dam Placed across a river to block or control the flow of water

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.

Page 26: Dam Placed across a river to block or control the flow of water

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

Page 27: Dam Placed across a river to block or control the flow of water

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.

Page 28: Dam Placed across a river to block or control the flow of water

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

Page 29: Dam Placed across a river to block or control the flow of water

How are sections of pipelines How are sections of pipelines inspected for leaksinspected for leaks

X-raysX-rays

UltrasoundUltrasound

Page 30: Dam Placed across a river to block or control the flow of water

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.

Page 31: Dam Placed across a river to block or control the flow of water

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.

Page 32: Dam Placed across a river to block or control the flow of water

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

Page 33: Dam Placed across a river to block or control the flow of water

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

Page 34: Dam Placed across a river to block or control the flow of water

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

Page 35: Dam Placed across a river to block or control the flow of water

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.

Page 36: Dam Placed across a river to block or control the flow of water

How do space stations produce How do space stations produce power?power?

SolarSolar

Page 37: Dam Placed across a river to block or control the flow of water

How was Skylab launched into How was Skylab launched into space? What yearspace? What year

Saturn V RocketSaturn V Rocket

19731973

Page 38: Dam Placed across a river to block or control the flow of water

What was the longest stay of a What was the longest stay of a astronaut on Skylab?astronaut on Skylab?

84 Days84 Days

Page 39: Dam Placed across a river to block or control the flow of water

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

Page 40: Dam Placed across a river to block or control the flow of water

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

Page 41: Dam Placed across a river to block or control the flow of water

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

Page 42: Dam Placed across a river to block or control the flow of water

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?

Page 43: Dam Placed across a river to block or control the flow of water

How are materials delivered to the How are materials delivered to the International Space Station.International Space Station.

Space ShuttleSpace Shuttle

Page 44: Dam Placed across a river to block or control the flow of water

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

Page 45: Dam Placed across a river to block or control the flow of water

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