Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

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

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

There's a lot happening beneath the waves, including the ocean food web. Take a closer look with this colorful printable.

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

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

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Introduce your child to the building blocks of life: DNA! This coloring page features a double helix structure, or a DNA strand.

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

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

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

Got a little animal lover on your hands? Let him spend some time with his furry friends with this fun animal crossword puzzle.

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

How does the butterfly become so beautiful? Learn about the four stages that it goes through in its life.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

Children will learn important facts about food chains in these worksheets.

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

Got a zoo trip planned? Give your kids a fun way to explore the best of the zoo with a mini zoo passport!

Build nature vocabulary with this habitat-matching worksheet!

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

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

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

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

In this recycle worksheet, kids color the different recyclable objects, then match them up with their corresponding bin. Try our recycle worksheet on Earth Day.

Expand your sea creature vocabulary with this Life in the Reef worksheet!

Find out fun facts about Monarch butterflies and create your own colorful butterfly in this worksheet. Then turn it into a pretty placemat!

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