Planet cut outs. Key Concepts include: Position of the Earth in the solar system Print the worksheet on card stock, cut out, and have the students put the planets in order. Students could also number the planets to demonstrate order.
Here's an idea for creating a food chain on a ribbon. IArrows show flow of energy. Use with Apologia Zoology, Apologia Flying Creatures, Apologia Swimming Creatures, Apologia Land Animals for homeschool science
How to keep a child busy for hours in the summer: DIY: Giant Ice Cube Awesomeness - filled with plastic animals, dinos, and such. And I'm sure you could put in food dye before its frozen to color it like the ice block in the photo.