Investigate the mystery of why two tomato plants developed so differently!

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

The Mockingbird is Tennesse's state bird: it can mimic the sounds of other birds, and even the sounds of insects.

The Mockingbird is Texas' state bird: it can mimic the sounds of other birds, and even the sounds of insects.

The Mockingbird is Mississippi's state bird: it can mimic the sounds of other birds, and even the sounds of insects.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Test your kindergartener's produce proficiency by challenging her to separate the fruit and veggies from other foods on this worksheet.

Read about how the capybara live and other interesting facts about capybara. Sure to satisfy your curiosity about capybaras!

You can check out the cardiovascular system in this worksheet, and better understand how the heart and lveins work with each other.

Do you know the Alabama state bird? It's the Yellowhammer, a small yellow bird that is threatened in other parts of the world.

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

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

Color, cut out, and play with these fun animal finger puppets as your nature lover learns more about prairie dogs, bison, and other animals of the grasslands.

Did you know that having a pouch or a shell can help an animal meet its needs? Learn how animals use different parts of their body with this matching worksheet for kindergarteners and first graders!

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

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.

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

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

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

These cute critters have gotten their tails all mixed up! Have your little one help put them all back in place.

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

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.

With great colorful images this worksheet, is fun for young learners. Kids will match up each of the five senses with a corresponding picture.

What does a seal eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

In this worksheet, children practice identifying animals of North America by their tracks.