3-2-1 Contact: Noisy/Quiet: How People & Animals Use Sound
S1 E3
1980
6.7
Lisa goes to Hawaii to see how dolphins use sonar. Another segment sees sonar of bats. Trini sees an ultrasound apparatus at work. The Bloodhound Gang finds a wrinkle in The Case of Princess Tomorrow.
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Episodes
E1
Noisy/Quiet: Production & Processing of Sound
30m★0.0
E2
Noisy/Quiet: The Ear
30m★0.0
E3
Noisy/Quiet: How People & Animals Use Sound
30m★0.0
E4
Noisy/Quiet: Music
30m★0.0
E5
Noisy/Quiet: Range of Vibration
30m★0.0
E6
Forces and Motion
30m★0.0
E7
Forces and Fields
30m★0.0
E8
Forces: Buoyancy and Gravity
30m★0.0
E9
Forces and Machines
30m★0.0
E10
Forces: A Spectacle of Forces
30m★0.0
E11
Growth/Decay: Sex and Seeds
30m★0.0
E12
Growth/Decay: Human Growth
30m★0.0
E13
Growth/Decay: Decay
30m★0.0
E14
Growth/Decay: Human Cultures/Land Forms
30m★0.0
E15
Growth/Decay: Cycles Upon Cycles
30m★0.0
E16
Fast/Slow: Speed Up, Slow Down
30m★0.0
E17
Fast/Slow: Rhythms of Nature
30m★0.0
E18
Fast/Slow: Lifetimes
30m★0.0
E19
Fast/Slow: Speed and Racing
30m★0.0
E20
Fast/Slow: Time and Time Again
30m★0.0
E21
Communication: Human Communication
30m★0.0
E22
Communication: Animal Communication
30m★0.0
E23
Communication: Machinery of Communication
30m★0.0
E24
Communication with Other Species
30m★0.0
E25
Communication: Feedback
30m★0.0
E26
Food/Fuel: Animal Food
30m★0.0
E27
Food/Fuel: Human Food
30m★0.0
E28
Food/Fuel: Growing and Processing Food
30m★0.0
E29
Food/Fuel: Fueling Machines
30m★0.0
E30
Food/Fuel: The Sun Makes Everything Go
30m★0.0
E31
Hot/Cold: People's Temperatures
30m★0.0
E32
Hot/Cold: Animal and Plant Adaptations
30m★0.0
E33
Hot/Cold: How Hot or Cold Can It Get?
30m★0.0
E34
Hot/Cold: Heat and Work
30m★0.0
E35
Hot/Cold: Temperatures on Earth/In Space
30m★0.0
E36
Light/Dark: The Sun
30m★0.0
E38
Light/Dark: Electromagnetic Spectrum
30m★0.0
E39
Light/Dark: The Eye
30m★0.0
E40
Light/Dark: Light Sources
30m★0.0
E41
Near/Far: Seeing Isn't Always Believing
30m★0.0
E42
Near/Far: Mapping and Navigating Near Home
30m★0.0
E43
Near/Far: Mapping and Navigating Over Earth
30m★0.0
E44
Near/Far: Space Travel
30m★0.0
E45
Near/Far: Knowing Where You Are
30m★0.0
E46
Order/Disorder: Regular Patterns
30m★0.0
E47
Order/Disorder: The Body – An Ordered System
30m★0.0
E48
Order/Disorder: Social Order
30m★0.0
E49
Order/Disorder: Disordered
30m★0.0
E50
Order/Disorder: Sum of Its Parts
30m★0.0
E51
Surfaces: Protection
30m★0.0
E52
Surfaces: Shapes and Functions at the Surface
30m★0.0
E53
Surfaces: Surface Tension and Bubbles
30m★0.0
E54
Surfaces: Surface of the Earth
30m★0.0
E55
Surfaces: The Atmosphere
30m★0.0
E56
Big/Small: Animal Sizes/Scaling
30m★0.0
E57
Big/Small: Animal Habitats
30m★0.0
E58
Big/Small: Dinoaurs
30m★0.0
E59
Big/Small: Volume & Efficiency
30m★0.0
E60
Big/Small: How Big is Big?
30m★0.0
E61
Crowded/Uncrowded: Human Crowding
30m★0.0
E62
Crowded/Uncrowded: Optimum Populations in Nature
30m★0.0
E63
Crowded/Uncrowded: Contrasts in Densities of Materials
30m★0.0
E64
Crowded/Uncrowded: Down Among the Atoms (Liquids & Solids)
30m★0.0
E65
Crowded/Uncrowded: Human Survival/Controlling Densities
30m★0.0