Light/Dark: Light Sources

Name: Light/Dark: Light Sources
Genre: Kids
Released: February 22, 1980
Cast: Tish Rabe, Glenn Scarpelli, Nan-Lynn Nelson, Leon W. Grant, Marcelino Sanchez

3-2-1 Contact: Season 1: Episode 40

USER SCORE

No score yet

tbd

VOTE NOW

0 1 2 3 4 5 6 7 8 9 10

tbd	Your Score
tbd	User Score No score yet

Would you like to write a review?

There is a 75 character minimum for reviews. If your review contains spoilers, please check the Spoiler box. Please do not use ALL CAPS. There is no linking or other HTML allowed. Your review may be edited for content. 0/5000

Check box if your review contains spoilers

Episode Details & Credits

PBS | Air Date: February 22, 1980

Starring: Tish Rabe, Glenn Scarpelli, Nan-Lynn Nelson, Leon W. Grant, Marcelino Sanchez, Hank Martin, Liz Moses, Kelly Pease, Ginny Ortiz, Damaris Carbaugh, Al Dana, Ruth Sherman

Summary: Marc proposes to burn a hole through a piece of cardboard using a magnifying glass and the sun. It doesn't harm the cardboard, but Lisa and Trini get the message.REHASHED FROM THE PREVIOUS FOUR EPISODES: Trini discovers a boy whose vision was improved with a cornea transplant. Trini uses a prism to split white light into the colorMarc proposes to burn a hole through a piece of cardboard using a magnifying glass and the sun. It doesn't harm the cardboard, but Lisa and Trini get the message.REHASHED FROM THE PREVIOUS FOUR EPISODES: Trini discovers a boy whose vision was improved with a cornea transplant. Trini uses a prism to split white light into the color spectrum. Lisa witnesses an infrared camera. Marc learns that butterflies and flowers bear ultraviolet light. Trini visits an observatory whose telescope studies the sun. ANIMATION: How the eye sees.ADDITIONAL: Lisa examines lasers. Marc encounters a solar-energy research lab.… Expand

Genre(s): Kids

Season 1 Episodes

tbd
S1:E65. Crowded/Uncrowded: Human Survival/Controlling Densities
Air Date: February 15, 1980
tbd
S1:E64. Crowded/Uncrowded: Down Among the Atoms (Liquids & Solids)
Air Date: February 14, 1980
tbd
S1:E63. Crowded/Uncrowded: Contrasts in Densities of Materials
Air Date: February 13, 1980

See all Seasons and Episodes

Episode User Score

tbd

Positive:

Mixed:

Negative:

No reviews yet.

Seasons & Episodes

tbd

Series Overview
Season 7

tbd
- Season 7 Overview
  Air Date: October 10, 1988
Season 6

tbd
- Season 6 Overview
  Air Date: October 12, 1987
Season 5

tbd
- Season 5 Overview
  Air Date: September 22, 1986
Season 4

tbd
- Season 4 Overview
  Air Date: September 23, 1985
Season 3

tbd
- Season 3 Overview
  Air Date: October 22, 1984
Season 2

tbd
- Season 2 Overview
  Air Date: October 31, 1983
Season 1

tbd
- Season 1 Overview
  Air Date: January 14, 1980
- tbd
  S1:E65. Crowded/Uncrowded: Human Survival/Controlling Densities
  Air Date: February 15, 1980
- tbd
  S1:E64. Crowded/Uncrowded: Down Among the Atoms (Liquids & Solids)
  Air Date: February 14, 1980
- tbd
  S1:E63. Crowded/Uncrowded: Contrasts in Densities of Materials
  Air Date: February 13, 1980
- tbd
  S1:E62. Crowded/Uncrowded: Optimum Populations in Nature
  Air Date: February 12, 1980
- tbd
  S1:E61. Crowded/Uncrowded: Human Crowding
  Air Date: February 11, 1980
- tbd
  S1:E60. Big/Small: How Big is Big?
  Air Date: February 29, 1980
- tbd
  S1:E59. Big/Small: Volume & Efficiency
  Air Date: February 28, 1980
- tbd
  S1:E58. Big/Small: Dinoaurs
  Air Date: February 27, 1980
- tbd
  S1:E57. Big/Small: Animal Habitats
  Air Date: February 26, 1980
- tbd
  S1:E56. Big/Small: Animal Sizes/Scaling
  Air Date: February 25, 1980
- tbd
  S1:E55. Surfaces: The Atmosphere—Skin of the Earth
  Air Date: April 11, 1980
- tbd
  S1:E54. Surfaces: Surface of the Earth
  Air Date: April 10, 1980
- tbd
  S1:E53. Surfaces: Surface Tension and Bubbles
  Air Date: April 9, 1980
- tbd
  S1:E52. Surfaces: Shapes and Functions at the Surface
  Air Date: April 8, 1980
- tbd
  S1:E51. Surfaces: Protection
  Air Date: April 7, 1980
- tbd
  S1:E50. Order/Disorder: Sum of Its Parts
  Air Date: April 4, 1980
- tbd
  S1:E49. Order/Disorder: Disordered
  Air Date: April 3, 1980
- tbd
  S1:E48. Order/Disorder: Social Order
  Air Date: April 2, 1980
- tbd
  S1:E47. Order/Disorder: The Body – An Ordered System
  Air Date: April 1, 1980
- tbd
  S1:E46. Order/Disorder: Regular Patterns
  Air Date: March 31, 1980
- tbd
  S1:E45. Near/Far: Knowing Where You Are
  Air Date: March 7, 1980
- tbd
  S1:E44. Near/Far: Space Travel
  Air Date: March 6, 1980
- tbd
  S1:E43. Near/Far: Mapping and Navigating Over Earth
  Air Date: March 5, 1980
- tbd
  S1:E42. Near/Far: Mapping and Navigating Near Home
  Air Date: March 4, 1980
- tbd
  S1:E41. Near/Far: Seeing Isn't Always Believing
  Air Date: March 3, 1980
- tbd
  S1:E40. Light/Dark: Light Sources
  Air Date: February 22, 1980
- tbd
  S1:E39. Light/Dark: The Eye
  Air Date: February 21, 1980
- tbd
  S1:E38. Light/Dark: Electromagnetic Spectrum
  Air Date: February 20, 1980
- tbd
  S1:E37. Light/Dark: Adaptation of Plants/Animals
  Air Date: February 19, 1980
- tbd
  S1:E36. Light/Dark: The Sun
  Air Date: February 18, 1980
- tbd
  S1:E35. Hot/Cold: Temperatures on Earth/In Space
  Air Date: January 25, 1980
- tbd
  S1:E34. Hot/Cold: Heat and Work
  Air Date: January 24, 1980
- tbd
  S1:E33. Hot/Cold: How Hot or Cold Can It Get?
  Air Date: January 23, 1980
- tbd
  S1:E32. Hot/Cold: Animal and Plant Adaptations
  Air Date: January 22, 1980
- tbd
  S1:E31. Hot/Cold: People's Temperatures
  Air Date: January 21, 1980
- tbd
  S1:E30. Food/Fuel: The Sun Makes Everything Go
  Air Date: February 8, 1980
- tbd
  S1:E29. Food/Fuel: Fueling Machines
  Air Date: February 7, 1980
- tbd
  S1:E28. Food/Fuel: Growing and Processing Food
  Air Date: February 6, 1980
- tbd
  S1:E27. Food/Fuel: Human Food
  Air Date: February 5, 1980
- tbd
  S1:E26. Food/Fuel: Animal Food
  Air Date: February 4, 1980
- tbd
  S1:E25. Communication: Feedback
  Air Date: March 21, 1980
- tbd
  S1:E24. Communication with Other Species
  Air Date: March 20, 1980
- tbd
  S1:E23. Communication: Machinery of Communication
  Air Date: March 19, 1980
- tbd
  S1:E22. Communication: Animal Communication
  Air Date: March 18, 1980
- tbd
  S1:E21. Communication: Human Communication
  Air Date: March 17, 1980
- tbd
  S1:E20. Fast/Slow: Time and Time Again
  Air Date: February 1, 1980
- tbd
  S1:E19. Fast/Slow: Speed and Racing
  Air Date: February 7, 1980
- tbd
  S1:E18. Fast/Slow: Lifetimes
  Air Date: January 30, 1980
- tbd
  S1:E17. Fast/Slow: Rhythms of Nature
  Air Date: January 29, 1980
- tbd
  S1:E16. Fast/Slow: Speed Up, Slow Down
  Air Date: January 28, 1980
- tbd
  S1:E15. Growth/Decay: Cycles Upon Cycles
  Air Date: March 14, 1980
- tbd
  S1:E14. Growth/Decay: Human Cultures/Land Forms
  Air Date: March 13, 1980
- tbd
  S1:E13. Growth/Decay: Decay
  Air Date: March 12, 1980
- tbd
  S1:E12. Growth/Decay: Human Growth
  Air Date: March 11, 1980
- tbd
  S1:E11. Growth/Decay: Sex and Seeds
  Air Date: March 10, 1980
- tbd
  S1:E10. Forces: A Spectacle of Forces
  Air Date: March 28, 1980
- tbd
  S1:E9. Forces and Machines
  Air Date: March 27, 1980
- tbd
  S1:E8. Forces: Buoyancy and Gravity
  Air Date: March 26, 1980
- tbd
  S1:E7. Forces and Fields
  Air Date: March 25, 1980
- tbd
  S1:E6. Forces and Motion
  Air Date: March 24, 1980
- tbd
  S1:E5. Noisy/Quiet: Range of Vibration
  Air Date: January 18, 1980
- tbd
  S1:E4. Noisy/Quiet: Music
  Air Date: January 17, 1980
- tbd
  S1:E3. Noisy/Quiet: How People & Animals Use Sound
  Air Date: January 16, 1980
- tbd
  S1:E2. Noisy/Quiet: The Ear
  Air Date: January 15, 1980
- tbd
  S1:E1. Noisy/Quiet: Production & Processing of Sound
  Air Date: January 14, 1980