Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Children get a mini lesson in writing and the weather with this coloring worksheet.

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Label the parts of a butterfly in this butterfly diagram worksheet!

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

Learn about and color in space suits in this three-page science worksheet!

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

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

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Children copy the tracks of a frog, coyote, wild turkey, black bear, raccoon, and white-tailed deer in this nature-themed worksheet.

Draw the phases of the moon in this earth sciences worksheet!

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Kids learn about the Earth's solid and atmospheric layers, then label the diagram with the correct terms in this fifth grade Earth science worksheet.

Children will enjoy this appealing worksheet that invites them to consider which of the items shown are necessary to plant life.

In this introductory tree-diagramming worksheet, young naturalists will unscramble each label to reveal five parts of the tree.