Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.

This cute worksheet prompts your first grader to find out what characteristics are shared by amphibians, and then circle the animals that fit that category.

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

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

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

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

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.

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

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

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

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

This word search is all about owls! Your child will learn a few different species of owl as he looks for them in the word search.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

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.

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

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

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

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

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

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

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

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

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

Help your preschooler sharpen their knowledge about plants with this colorful worksheet. They'll use the word bank to name the basic parts of a plant.

Plants need to breathe and eat food (energy) just like us! Help your budding naturalist to learn about photosynthesis.

Help your child learn about sensory language as they write a 5-senses poem.

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a butterflyÃs life.

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Can you tell which things are living or non-living? This is a great way to introduce kids to animal and life sciences.