This online art curriculum combines art history and hands-on art instruction. You can purchase a "track" with lessons on 5 different artists, choosing from three age levels. There are also bundles with multiple tracks, and you can save money by sharing the curriculum with other families, or purchase through Homeschool Buyers Co-op.
Free art lessons for elementary ages.
Online reading, math, and spelling curriculum for elementary ages.
Complete math curriculum for jr. high and high school levels.
This subscription site has loads of resources for learning through children's literature.
A website with lesson plans, worksheets, labs, and activities on biology topics.
The website of this museum in Boston has lots of informative articles, videos, and some free less