Learn about the amphibians and reptiles of Yellowstone National Park.

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

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

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

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

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!

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Can you identify the difference between inherited and acquired traits?

Explore grasslands and their fauna in this thought-provoking 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.

Dive into habitat studies with this second- and third-grade 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.

Learn how seeds move with this second- and third-grade matching activity!

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

Discover the animals and plants of the past in this fossil-focused worksheet!

Dive into a coral reef habitat with this second- and third-grade worksheet!

Explore the vast ocean with this habitat worksheet for second and third graders!

Observe the life cycle of an oriole with this second- and third-grade worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!