Let your 1st grader color in the intriguing platypus and get a quick science science lesson too.

Got a little animal lover on your hands? Let him spend some time with his furry friends with this fun animal crossword puzzle.

Stem, primary root, secondary root … Let your kid dig into this colorful worksheet, and fill in the missing names on this tree parts diagram.

To complete this worksheet your first grader will need to match the different animals with their homes.

Let's talk about trees! Help your child use Earth Day as an excuse to praise the woody perennials that hardly ever get the recognition they deserve.

The emu: It's the second-largest bird in the world. How big is it? Let's just say that its eggs can be almost 9 inches long!