All About Frogs
Grades: 2-6
Part of kiddyhouse.com, All About Frogs is an informational site written in language that is understandable for elementary aged kids. The site features diagrams of various frogs plus information on types, sizes, habitats, and the characteristics/behaviors of this variety. Basically—it’s everything there is to know about frogs! Some of the creative elements of the site include lyrics to frog songs sung to the tunes of popular children’s songs, frog poetry, frog crafts (such as an origami jumping frog), frog stories, frog clipart, frog animation, and frog graphics. The teacher page contains many frog lesson plans and activities that have been submitted by a variety of teachers and other sources.

All About Snow
Grades: 5-12
This site contains just about everything you could ever want to learn about snow! It has a question and answer section with answers to questions received about snow; a facts section with interesting tidbits about snow; a glossary full of terms related to snow in its various manifestations; a gallery of historical snow pictures as well as pictures from the National Weather Service; a section on snow removal including the history of how people, particularly those in the snowbelt from Minnesota to Maine, have dealt with snow; links to many other sites about snow; and a link to snow in recent news. There are also two sections for scientists and researchers on snow data and snow science that older students could navigate during a real-world, problem-based learning activity in which they are assigned to role of scientist of researcher.

Black History Month: The Development of Jazz
Grades: 3-12
Students study Jazz by reading (and hearing!) about it in differentwebsites. An accompanying worksheet asks short answer, matching, and essay-type questions.

Kids Health
Grades: K-12
Maintained by the Nemours Foundation Center for Children’s Health Media, this site offers options for parents, kids, and teens. The parent section offers information on all stages of childhood from pregnancy to adolescents. The kids link features a monthly focus on various health issues of concern and/or interest to kids, Daily Brain Questions, and a Health Hunt game. The teen portion of Kids Health addresses Hot Topics—health issues of particular interest to teens—and also features daily facts and quizzes similar to the kids section but dealing with more mature issues. All the information found at Kids Health is reviewed by medical experts, is presented in layman’s terms, and offers practical advice as well as objective information. Careful supervision is highly recommended while students are using this site as the parents' and teens' sections may not be appropriate for younger children.

MathMol K-12 Activity Page
Grades: K-12
Hypermedia textbooks and digital libraries are packed with interactive activities, gorgeous graphics, readable text, and online quizzes to guide students on their exploration of molecular modeling and its application to mathematics.

The Sea Project
Grades: K-1
A great cross-curricular unit on the sea and its creatures. The site includes curriculum information and project ideas in science, math, social studies, language arts, fine arts, and even physical education. Students in the early primary grades spent weeks studying the sea and their teachers incorporated this theme throughout the different curricular areas. The site offers almost 100 different sea-related project ideas that participating teachers and students completed, and provides instructions for and student work examples of each. Be sure to check out the Brainstorming Webs and the Pacific Portholes.

Snow Crystals
Grades: 7-12
This site is amazingly cool and comprehensive! The home page opens with the Thoreau quotation, “How full of creative genius is the air in which these are generated! I should hardly admire them more if real stars fell and lodged on my coat.” Snow Crystals then details the many facets of snow crystals and the many attempts to understand their formation. There are incredible pictures of real snowflakes taken with a photomiscroscopy apparatus as well as pictures taken by many snow researchers in the past. Included with the photo gallery is a bibliography of books of snowflake photographs and details regarding how pictures of snowflakes are taken. Another section provides information on the classification of snowflakes; there is also information about unusual snowflakes that defy classification and about snow crystal halos. A third section gives students the procedures for making their own snow crystal fossils. The site also discusses the difference between natural snowflakes and designer snowflakes, which are made in laboratories for scientists to conduct controlled studies. Finally, there is a section on snowflake physics and links to many more sites devoted to snow and snow crystals. This is truly an incredible site!

Winter Light
Grades: 6-12
“Winter Light” is the title of the feature article found at this URL. The Web site details the history of light according to the Bible, the Greeks, Celtic myth, and other ancient societies as well as the more modern explanations. There is also a description of each of the many holidays with light as a central them. The site provided a collection of five lesson plans, a glossary, and links to helpful sites for teaching about light in your classroom. Winter Light is part of a larger Web site from Riverdeep, Inc. that has links to general academic resources for students, teachers, and parents. The sidebar provides links to other thematic units in each of the listed content areas.