(mÄth'Än') A colorless, odorless, flammable gas that is the simplest hydrocarbon. It is the major constituent of natural gas and is released during the decomposition of plant or other organic compounds, as in marshes and coal mines. Methane is the first member of the alkane series.
In photosynthesis, solar energy is converted to chemical energy. The chemical energy is stored in the form of glucose (sugar). Carbon dioxide, water, and sunlight are used to produce glucose, oxygen, and water.
Below are things that plants make by photosynthesis: Glucose Oxygen (light energy is shown in brackets because it is not a substance) NOTES Plants get CO2 from the air through their leaves, and water from the ground through their roots. Light energy comes from the sun. The oxygen produced is released into the air from the leaves.