@online {168,
	title = {Earthlearningidea},
	abstract = {Innovative, Earth-related teaching ideas - A new earth-science related classroom activity is posted every week.},
	keywords = {$\#$EducationalResources, $\#$LessonPlans, activities, classroom, curricula, earth science, education, K-12, lesson plans, schools, standards, teacher resources, teaching},
	url = {http://earthlearningidea.blogspot.com/}
}
