There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

The olm is a blind salamander that lives in Europe. Kids will learn how pictures help illustrate concepts with this life science worksheet.

Here's a creature that can be a heard a mile away: a thick-billed parrot. Learn more about these birds that are the only parrots native to the USA.

Give your little animal lover a great coloring sheet, complete with a few fun facts about the red kangaroo!

This nature coloring page features a detailed depiction of Hibiscus flowers and an African Mantis that your second grader can bring to life by adding color!

What delicious treats do we receive from trees? Your child can draw their favorite tree-provided snacks in this cute drawing worksheet.

Download this worksheet for answers to our animal reading comprehension series.

How long does a butterfly live? Find out with this worksheet! Give your second grader a fun way to practice making graphs using given information.

Your child has probably tried a potato, but does he know the process it goes through to make it to the table? Find out with this life science worksheet.

Don't believe a bird could catch a rattlesnake? Believe it. The greater roadrunner lives up to its name by running up to 20 miles per hour and hunting snakes.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Does your second grader love farm animals? This easy writing exercise will help your child be more observant about tracks left by some familiar animals.

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

The Goliath birdeater is a spider that lives in South America. Your child will read a paragraph about spider before writing an opinion sentence.

This coloring page features a puffed up, spiky blowfish.

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

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?

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.

This Lily and Dragonfly coloring page will engage second graders in a fun coloring exercise while helping them learn the scientific names of the species.

Discover the symbiotic relationship that helps this angler fish find his next meal!

These fins are made for walking! Check out this coloring page of the shortnose batfish.

Learn about spider tortoises, one of the world's tiniest tortoise species, with this handy worksheet. Can't go to the zoo? We bring the zoo to you!

Children get to know animals of South America in this nature-themed worksheet.

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.