Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!