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Now seems like as good a time as any to share them with everyone. They're available here. Please feel free to check them out, download a copy if you'd like, and use them in your class.
Classroom Aquarium documents the procedures to setting up an aquarium in your class, and some possible applications. For me, this is an invaluable teaching tool - you get a chance to inspire emotional connections, the process of inquiry, and the value of environmental conservation. It's also a nice decoration!
States of Matter is a straightforward lesson using water as an example. I couldn't get my hands on any gallium (like this guy did). Pretty standard stuff here, but a nice procedural lesson. Probably good help if you've got to substitute in a science class (or if you need to get a sub and don't have a plan fully fleshed out).
Finally, the Floating Orb plan. It's my personal favourite, but I don't want to give too much away. Check it out to see what it covers. All I'll say is that static electricity at Christmas time was never this much fun!