Use this engaging worksheet to introduce students to the geologic time scale and the pieces of evidence scientists use to determine Earth’s history!

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

Every animal wears a unique type of covering. Learn the difference between fur, feathers and scales with this adorable animal worksheet!

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Who feels at home scaling a nice, big tree? This word search is a fun way for your little one to familiarize themselves with different tree-climbing animals.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.