Photosynthesis II

Releasing Energy shows the burning of coal, the first step in producing electrical power. Coal is made of fossilized plants, and when coal burns, the sun’s energy that was stored by these ancient plants is released. Today, more than 50% of our electricity is generated by coal-burning power plants.

Releasing Energy, Roger Hangarter,
real-time movie, coal

Creating Oxygen, Roger Hangarter
real-time movie, (Elodea sp.)

Creating Oxygen reveals how the aquatic plant Elodea sp. produces oxygen as a direct by-product of photosynthesis. Here, you can actually see oxygen bubbles stream from the plant.
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