Khan Academy
Khan Academy: Conceptual Overview of Light Dependent Reactions
Video lecture focuses on light-dependent reactions and how they work. It shows how light energy can excite electrons which can be used to create ATP and NADPH. [9:04]
PBS
Pbs Learning Media: The Electromagnetic Spectrum: Nasa
From radio waves to gamma rays, this video segment from NASA introduces the seven categories of the electromagnetic spectrum and how each type of radiation is part of our everyday lives. [2:58]
PBS
Pbs Learning Media: Tour of the Electromagnetic Spectrum: Radio Waves
A tour of radio waves in the electromagnetic spectrum. [3:38]
Bozeman Science
Bozeman Science: Conservation of Energy
In the following video, Paul Andersen explains how energy can neither be created nor destroyed but may be transferred. Energy comes in many forms. [4:09]
Khan Academy
Khan Academy: Breaking Down Photosynthesis Stages
This video gives an overview of photosynthesis by breaking it down into 2 stages: light-dependent reactions and the Calvin cycle. [4:47]
Next Vista for Learning
Next Vista for Learning: Photosynthesis
Do you know how plants get energy? Plants use a process called photosynthesis to produce a sugar. This video gives an overview of how plants take light energy to convert it to chemical energy. [2:30]