Group+4-Research2

One positive is that solar power is cheap. One negitive is that there is solar radiation.
 * 1. Watch this video about solar energy, then read the information about solar energy in here and here. After carefully reading the information, explain the positives and negatives of using solar panels to make electricit**

One negative about wind is the amount of electricity genarated from wind has grown significantly in recent years.One positive about wind is that large wind turbines generated electricity in 36 different states in 2010.
 * 2. Watch this video about wind energy, then read the information about wind energy here. After carefully reading the information, explain the positivies and negatives of using wind turbines to make electricity.**


 * 3. Watch the video about coal, then read the information about coal here. After carefully reading the information, explain the positives and negatives about using coal to make electricity.**