The olm is a blind salamander that lives in Europe. Kids will learn how pictures help illustrate concepts with this life science worksheet.

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Create and observe your very own rainbow using light and water with this science experiment worksheet!

Prepare for an exciting experiment with this cut-and-paste lab safety worksheet for first and second graders!

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Learn about fish, amphibians, birds, mammals, and reptiles with this colorful life science worksheet for first and second graders!

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Challenge your science student to record a shadow over the course of a day and make the connection between shadows and the time of day.

Cut out and complete this trophic level pyramid template!