3-2-1 Contact - Season 1 Episode 44: Near/Far: Space Travel

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Noisy/Quiet: Production & Processing of Sound

1980-01-14

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Noisy/Quiet: The Ear

1980-01-15

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Noisy/Quiet: How People & Animals Use Sound

1980-01-16

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Noisy/Quiet: Music

1980-01-17

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Noisy/Quiet: Range of Vibration

1980-01-18

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Forces and Motion

1980-03-24

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Forces and Fields

1980-03-25

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Forces: Buoyancy and Gravity

1980-03-26

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Forces and Machines

1980-03-27

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Forces: A Spectacle of Forces

1980-03-28

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Growth/Decay: Sex and Seeds

1980-03-10

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Growth/Decay: Human Growth

1980-03-11

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Growth/Decay: Decay

1980-03-12

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Growth/Decay: Human Cultures/Land Forms

1980-03-13

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Growth/Decay: Cycles Upon Cycles

1980-03-14

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Fast/Slow: Speed Up, Slow Down

1980-01-28

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Fast/Slow: Rhythms of Nature

1980-01-29

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Fast/Slow: Lifetimes

1980-01-30

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Fast/Slow: Speed and Racing

1980-02-07

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Fast/Slow: Time and Time Again

1980-02-01

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Communication: Human Communication

1980-03-17

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Communication: Animal Communication

1980-03-18

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Communication: Machinery of Communication

1980-03-19

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Communication with Other Species

1980-03-20

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Communication: Feedback

1980-03-21

0

Food/Fuel: Animal Food

1980-02-04

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Food/Fuel: Human Food

1980-02-05

0

Food/Fuel: Growing and Processing Food

1980-02-06

0

Food/Fuel: Fueling Machines

1980-02-07

0

Food/Fuel: The Sun Makes Everything Go

1980-02-08

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Hot/Cold: People's Temperatures

1980-01-21

0

Hot/Cold: Animal and Plant Adaptations

1980-01-22

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Hot/Cold: How Hot or Cold Can It Get?

1980-01-23

0

Hot/Cold: Heat and Work

1980-01-24

0

Hot/Cold: Temperatures on Earth/In Space

1980-01-25

0

Light/Dark: The Sun

1980-02-18

0

Light/Dark: Electromagnetic Spectrum

1980-02-20

0

Light/Dark: The Eye

1980-02-21

0

Light/Dark: Light Sources

1980-02-22

0

Near/Far: Seeing Isn't Always Believing

1980-03-03

0

Near/Far: Mapping and Navigating Near Home

1980-03-04

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Near/Far: Mapping and Navigating Over Earth

1980-03-05

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Near/Far: Space Travel

1980-03-06

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Near/Far: Knowing Where You Are

1980-03-07

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Order/Disorder: Regular Patterns

1980-03-31

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Order/Disorder: The Body – An Ordered System

1980-04-01

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Order/Disorder: Social Order

1980-04-02

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Order/Disorder: Disordered

1980-04-03

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Order/Disorder: Sum of Its Parts

1980-04-04

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Surfaces: Protection

1980-04-07

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Surfaces: Shapes and Functions at the Surface

1980-04-08

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Surfaces: Surface Tension and Bubbles

1980-04-09

0

Surfaces: Surface of the Earth

1980-04-10

0

Surfaces: The Atmosphere

1980-04-11

0

Big/Small: Animal Sizes/Scaling

1980-02-25

0

Big/Small: Animal Habitats

1980-02-26

0

Big/Small: Dinoaurs

1980-02-27

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Big/Small: Volume & Efficiency

1980-02-28

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Big/Small: How Big is Big?

1980-02-29

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Crowded/Uncrowded: Human Crowding

1980-02-11

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Crowded/Uncrowded: Optimum Populations in Nature

1980-02-12

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Crowded/Uncrowded: Contrasts in Densities of Materials

1980-02-13

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Crowded/Uncrowded: Down Among the Atoms (Liquids & Solids)

1980-02-14

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Crowded/Uncrowded: Human Survival/Controlling Densities

1980-02-15