You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Students learn about the relationship between the structure and function of cell walls and cell membranes in this engaging life science worksheet!

Learn about the stages of mitosis with this helpful biology handout!

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

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

Help young scientists understand the different types of organism interactions with this life science worksheet!

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

Show what you know about the cell cycle with this mitosis matching worksheet!

Give students an opportunity to model how genes are passed down to offspring with the help of this Punnett squares worksheet!

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

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

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

Use this heart anatomy sheet to learn all about your heart and how it works.

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

This packet of worksheets introduces children to food webs, an important life science concept.

For those of you studying human anatomy, here is a great diagram of the major organs in our body!

Record your notes as you learn about the cell cycle with this one-page template!

Learn how sensory information is processed by the somatic and autonomic nervous systems with this engaging science worksheet! 

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

Learners will use a word bank to label 15 parts of the human digestive system in this life sciences diagramming activity.

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

Students learn about population dynamics through the context of fox and rabbit populations in a forest ecosystem.

Cranium, noodle, melon, noggin...the human skull has been called a lot of things over the years. Here are the proper names for each part.

Budding botanists can master the different parts of a seed with this helpful diagram!

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.