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.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

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.

Why do some objects make loud sounds when dropped, while others make quiet sounds?

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.

How do clouds form? Why does it rain? Help your student answer some of these questions by completing this water cycle worksheet.

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!

Learn your clouds with this coloring series of cloud types that merges science with coloring fun.

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

Create and observe your very own rainbow using light and water with this science experiment worksheet!

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!

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!

Dig your hands into some earth science with this soil sheet! Your little scientist can hone his reading skills as he learns what soil is and how it is formed.

Prepare students for an upcoming science lab with this helpful worksheet!