I have totally hit the jackpot in the last few weeks with books to go along with our homeschool lessons. As you know, we've been centering our lessons around the book Very Last First Time, and my plan was to study the ocean & the Arctic. We found two very cool books on just those subject, complete with experiments, projects & activities. Here's my shameless plug for those two books:
Awesome Ocean Science taught us to make rain in a jar & how to show that saltwater is heavier than freshwater! We also practiced fractions talking about how much of the earth is saltwater & how much of the human body is freshwater.
Let's Go To the Arctic tells a story of an Inuit family, and comes with activities related to animals and their adaptations to the cold Arctic climate, the arctic food chain, and the rotation of the earth! It also comes with patterns for some very cute paper dolls, which Mane is coloring clothes for as I type!