The Google Art Project puts some of the most important art museums, and their collections, online with amazing features, including being able to create your own art collection. I’ve embedded a very short video from the site that shows what it can do — I can’t do justice to it just with words

Cartoonster features a collection of fun and interactive tutorials, which teach children and young people, step by step, how to create their own cartoons and animations. They’ll even discover some shortcuts and animators’ secrets along the way.
Contest!  Doodle for Google: Your students could create the Google Doodle to replace the Google Logo for a day!
Weaving a Tale of Craft, a partnership project between the Mint Museums and the Public Library of Charlotte and Mecklenburg County, is aimed at opening the world of crafts to children and families in an interactive, fun and engaging way. The project has also resulted in a Web site called Hands on Crafts. The Web site encourages children to learn about pottery, weaving, quilting and basketry techniques and traditions by “playing around” in online studios.
The Artist’s Toolkit: Visual Elements and Principles is an online interactive that allows students to explore the tools that artists use—for example, line, color and balance—to build works of art.

Harcourt has an excellent Multimedia Art Glossary that provides audio support for the text in addition to visual images.

Matisse For Kids is an online interactive from the Baltimore Museum of Art.  It’s accessible to Intermediate English Language Learners and, even though it doesn’t have audio support, is a very engaging guide to artist Henri Matisse’s work and art in general.

The Art of Storytelling is a site from the Delaware Art Museum that allows you pick a painting, write a short story about it, record it with your computer microphone, and email the url address for posting on a student website or blog. It’s extraordinarily simple, and extraordinarily accessible to any level of English Language Learner.  No registration is required.

Muro is a free tool that allows you to create original drawings containing multiple layers, backgrounds, and brush stroke styles.

The John F. Kennedy Center for the Performing Arts has redesigned its ARTSEDGE Web site.

Color in motion is a wonderfully animated and interactive experience of color communication and color symbolism.

The Museum of Modern Art offers a sizable collection of online resources for teaching art lessons. Part of that collection is a series of lesson plans, but there are also collections of art for students, an art game for young (5-8 years old) students, interactive activities for older students, and podcasts about art and artists.

Art Babble is a video website designed and maintained by the Indianapolis Museum of Art. The purpose of Art Babble is to provide a place for people to learn about the creation of art, artists, and collections through quality video productions.

Smarthistory is a free online alternative to expensive art history textbooks.

MOOM, the Museum of Online Museums, is a list of museums that offer online exhibitions.

Arts Edge, produced by the Kennedy Center, is a collection of podcasts, lesson plans, and links for teaching music and culture.

The Google Art Project puts some of the most important art museums, and their collections, online with amazing features, including being able to create your own art collection. I’ve embedded a very short video from the site that shows what it can do — I can’t do justice to it just with words.

Meet Me at Midnight is an interactive online adventure that takes place in an animated Smithsonian American Art Museum. Intended for children aged 8 to 10, the site presents a perplexing scenario. An artwork—the dreaded Root Monster—comes alive and wreaks havoc in the galleries overnight. Visitors choose a friend—a character that has been separated from its artwork—to help aright the mixed-up museum and find its way back home. Every friend takes children on a vivid journey through the museum’s art collection, while imparting key concepts in American art.

The richly-illustrated ArtDaily publishes art world news, with special emphasis on what is going on at leading art museums, galleries, and auction houses.Fun features include an art-related Word Search and downloadable puzzles.

The Los Angeles County Museum of Art has what best can be described as an I Spy Game with artwork. You’re provided several pieces of art, and lists of objects to find within each one of them.

Curious Corner is a new interactive space on The Art Institute of Chicago Web site. Children (aged 3–12) can explore and learn about art from around the world through dynamic and entertaining interactive stories.

odosketchan on screen drawing tool - great for a SMART board.  Colored pencils and a blank create the rest!

NGAkids: The interactive Art resouces found on NGAkids are absolutely incredible and they work great on the SMART Board interactive whiteboard. 

Use Art to Tell a Story 
This interactive activity presents images of nine artifacts from the collection of the Peabody Essex Museum in Salem, Massachusetts. Each image relates to narratives in multiple ways. For instance, the image may portray an event, illustrate a theme or help people remember or pass on a tradition; it may illuminate a part of history through the story of who made it, how it was made and what happened to it; or it may be the starting point for something new, such as a story or research about the artwork or another artwork based on it. 
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The MOMA lesson plans collection can be searched by theme, artist, medium, or subject.

Timeless Tales 
Myths are stories that explain why the world is the way it is. Throughout history, artists have been inspired by myths and legends and have given them visual form. On this site, created by the Minneapolis Institute of Art, your students can explore myths and legends from around the world, with the great works of art, in-depth interpretations and interactive features. 
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Beauty and Harmony 
In Native American thought, there is no distinction between what is beautiful or functional, and what is sacred or secular. For many native peoples, beauty arises from living in harmony with the order of the universe. Surrounded by Beauty, created at the Minneapolis Institute of Art, is based on a slide curriculum with many contextual  images to aid understanding, letting users zoom in closely on each artwork. 
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