Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

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

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!