The theme we have chosen is winter.  It would be best used at the beginning of winter around December.  It is geared toward 4th graders.  Here are some of the standards we will be using:

4th Grade Earth/Space Science Standards

1. Describe how weather conditions and phenomena occur and can be predicted.
2. Describe the causes for Earth’s seasons.
3. Identify the positive and negative impact of weather on the environment.

Grade: 4th

Introduction Site:

http://nsidc.org/snow/

Websites for Teachers:

http://members.aol.com/kitecd/snow.htm

http://www.geocities.com/mrshogueclass/Lessons/snow.html

Lesson Plan Sites:

http://www.educationworld.com/a_lesson/lesson094.shtml

http://www.lessonplanspage.com/ScienceLABookSnowballs-MeltingIdeaK1.htm

http://www.microsoft.com/Education/DrawSnowflake.aspx

Sites for Kids:

http://www.kidsdomain.com/games/winter.html

http://www.primarygames.com/seasons/winter/games.htm

http://www.teach-nology.com/worksheets/misc/winter/adj/4/

http://www.edhelper.com/winter2102.htm