Illuminate lightwaves, even those not visible to the human eye, in a concise activity about the electromagnetic spectrum. Pupils watch and listen to an animated video describing the electromagnetic spectrum as well as frequency and...

Video tutorial breaks down photosynthesis into two stages: light dependent reactions and the Calvin cycle. [4:47]

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]

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]

A tour of radio waves in the electromagnetic spectrum. [3:38]

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]

This video gives an overview of photosynthesis by breaking it down into 2 stages: light-dependent reactions and the Calvin cycle. [4:47]

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]