Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

Young botanists test their plant know-how with this quiz.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

For those of you studying human anatomy, here is a great diagram of the major organs in our body!

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

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

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Use this engaging worksheet to introduce students to the geologic time scale and the pieces of evidence scientists use to determine Earth’s history!

Did you know you're 1,000 times more likely to drown than you are to be bitten by a shark? This fun worksheet is jam-packed with fun facts about the shark!

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

Ever wonder what's inside a camel's hump? Find out with this fun worksheet! It's jam-packed with facts about camels.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

A useful overview of terrestrial biomes, including a climate key.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

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

Explore how traits are influenced by both genetic and environmental factors with this life science worksheet!

Use your knowledge of sea creatures to fill out this crossword puzzle.

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

Help young scientists understand the different types of organism interactions with this life science worksheet!

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Introduce students to the ecological benefits of terracing with this middle grades science worksheet!

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

Did you know a baby kangaroo is called a joey? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about the kangaroo!

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

Show what you know about the cell cycle with this mitosis matching worksheet!

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!