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. |
Description of the video:
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. |
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.
Description of the video:
Creating Oxygen, Roger Hangarterreal-time movie, (Elodea sp.)