NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
Internet 4 Classroom: A website that helps students practice skills based on Tennessee standards. Internet 4 Classrooms
CIA World Factbook https://www.cia.gov/library/publications/the-world-factbook/index.html