3-2-1 Contact — Season 1, Episode 35: Hot/Cold: Temperatures on Earth/In Space

Episode synopsis

A solar astronomer explains how the sun produces the seasons. He tells Marc that the sun is closer to Earth in winter than in summer, but the angle of sunlight is far different.REHASHED FROM THE PREVIOUS FOUR EPISODES: Trini learns about protecting the human body from the cold while climbing a mountain. Lisa brings in Vicky Johnson, an engineer who designs life-support systems for astronauts. Marc uses a popcorn model to show what happens when you heat any object, whether it's solid, liquid, or gas. ADDITIONAL: Lisa takes a hot-air balloon ride and learns how a motorcycle burns fuel. Marc checks out a solar-power station.Film insert: Netsilik Eskimos.ANIMATION: The evolution of home heating.

About 3-2-1 Contact

3-2-1 Contact is an American science educational television show that aired on PBS from 1980 to 1988, and an adjoining children's magazine. The show, a production of the Children's Television Workshop, teaches scientific principles and their applications. Dr. Edward G. Atkins, who was responsible for much of the scientific content of the show, felt that the TV program wouldn't replace a classroom but would open the viewers to ask questions about the scientific purpose of things.

More episodes from Season 1

• E1Noisy/Quiet: Production & Processing of Sound
• E2Noisy/Quiet: The Ear
• E3Noisy/Quiet: How People & Animals Use Sound
• E4Noisy/Quiet: Music
• E5Noisy/Quiet: Range of Vibration
• E6Forces and Motion
• E7Forces and Fields
• E8Forces: Buoyancy and Gravity
• E9Forces and Machines
• E10Forces: A Spectacle of Forces
• E11Growth/Decay: Sex and Seeds
• E12Growth/Decay: Human Growth