Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

This cool worksheet prompts young biologists to research the functions of cell organelles labeled in the diagram.

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

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 worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Dinosaurs and other creatures don't exist anymore! Learn the names of some extinct animals, and look for them in this fun wordsearch puzzle.

Explore how force and mass affect an object’s motion with this physical science worksheet for middle school!

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

Show what you know about the Earth-sun system with this earth and space science worksheet!

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

Explore and classify matter using particle models with this chemisty worksheet!

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

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

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Encourage students to take a deeper dive into the structure of plant cells in this middle grades life science worksheet!

Students take a deep dive into the structure of animal cells in this middle grades life science worksheet!

This Awesome Anatomy page focuses on the heart and how it pumps blood to all parts of your body.

Little biologists will use this respiratory system diagram to identify the most important parts of the human respiratory system and their functions.

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

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Students research an ecosystem of their choice and create an ecosystem model in this life science worksheet for middle grades!

Students explore the impact of water pollution and conduct their own case study with this two-page environmental science worksheet!

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

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.