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.

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.

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

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

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

From the blue whale to the Tasmanian devil, our planet is full of fascinating animals. Find a few of the most interesting ones in this animal word search.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

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.

Ever wonder why zebras have so many stripes? Find out with this fun worksheet all about the zebra!

Why did the fox cross the road? To look for the chicken! This fun worksheet is jam-packed with fun facts about foxes!

What on earth is a Saw Whet Owl? Find out about this species, and why it's named that way, with a fun info sheet!

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

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

If you're fascinated by bugs, check out this coloring page featuring the insect order Odonata, which consists of damselfies and dragonflies.

For kids who bug out on bugs, here's the perfect coloring page! Learn about the insect order Coleoptera, which we mostly know as beetles.

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Explore grasslands and their fauna in this thought-provoking worksheet!

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

Classify the animals in this life sciences matching worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!