"The theories children build, whether they are right or wrong, are not capricious. They are often logical and rational, and firmly based in evidence and experience." by Karen Worth
This article is very explanatory and is a good argument for maker and project-based learning.
Stannard's training video on how to use Windows Movie Maker (Windows 7) is very detailed and complete. Subsequent parts give directions for XP and Vista. He first suggests downloading the free classic version, which has more features than WMM for Win 7.
Poetry Forge has online (Flash) tools for generating instant poetry, as well as a downloadable version of the tools to use on the desktop. It's really fun to add some words to a list and then have the poetry-maker pop up your new poem. Students can learn a lot about metaphorical language here.
These lessons include Scholastic's Interactive Weather Maker, showing how humidity and temperature levels relate to rain and snow storms; Bytesize Science on the chemistry of snowflake making; and why the full moon gives more light in winter. Video explanations are embedded in R. Byrne's site.