This worksheet is a fun, easy way to help children count and learn their numbers and addition skills. How many trees do you see?

This worksheet will help teach your kindergartner the basics of botany, by asking them to look at the pictures and then decide what a plant needs to grow tall.

Test your child's knowledge of plant life--more specifically, trees--with this colorful, cut-and-paste tree chart.

The local park is filled with litter! Can you clean it up with your knowledge of the alphabet?

Decode an Earth Day joke with this engaging worksheet for first and second graders!