Wind that turns windmills and wind turbines in the valleys of California is a renewable energy source. Water that rushes downstream or is controlled by a dam's wall also produces energy. Solar panels on a rooftop can collect and store energy for use in the home. In addition to identifying nouns, it is important to be able to use nouns properly in simple sentences. It is almost possible to understand the meaning of the paragraph by reading only the nouns.
Presently energy is produced by water and wind power .
Some homes are partially, or even fully, run by solar power . The sentence should tell about your own energy use. Circle the required noun used, and underline all other nouns. Identifying nouns as common, proper, compound, collective, plural, or possessive is sometimes difficult. North America's people are a varied group of individuals .