Here comes the sun! Primary graders engage in activities that teach them how to protect themselves from the effects of UV rays. They learn that each season (fall, winter, spring, and summer) offers its own special challenges so they...

Students explore the earth's rotation and phases of the moon. In this planets lesson plan, students rotate and revolve around a light representing the sun. Students use movement and props to simulate what causes the phases of the moon as...

Don't sacrifice physical activity every time cold winter weather arrives. From walking or circuit training to warm, healthy recipes and safety reminders, this resource will help encourage learners to prioritize their fitness and stay...

First graders, after exploring agricultural products that can be considered snack foods, experience the concepts of ratio and probability. They analyze and record their class experience after dealing with the following snacks: peanut...

Fifth graders discover the uses for rice by reading about the habitats of certain birds.  In this agriculture lesson, 5th graders research birds from the Gulf Coast and California and their reasons for living in rice fields....

This site describes three types of treatment for this disorder. These treatments are light therapy, anti-depressant drugs and psycho therapy.

This site describes the symptoms of SAD, when they usually begin and end, and the typical onset of SAD.

This article provides great information on Seasonal Affective Disorder, or SAD. The topics that are covered in this article include: what is seasonal affective disorder, How common is SAD, and is there a treatment for SAD.

A great resource for information about SAD. Read about the symptoms, what causes SAD, how it was discovered that light is the key, and the role that melatonin plays in SAD. Also given are some tips for avoiding the "winter blues".

Contains a brief history of the use of light to treat Seasonal Affective Disorder. Includes information about case studies, time periods, and reliability.

This site give information on SAD, effects it has on people, and what causes it.

This is the largest surviving support organization to help support and advise sufferers of SAD.

This site describes what SAD is and what causes it.