Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

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!

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Children match animals to their ecosystems in this life sciences worksheet.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

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.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

This word search is all about owls! Your child will learn a few different species of owl as he looks for them in the word search.

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

This packet of worksheets introduces children to food webs, an important life science concept.

Children will learn important facts about food chains in these worksheets.

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

This colorful diagram is a handy reference guide for kids learning basic body systems.

Looking for a worksheet to help your kid with his knowledge of human biology? This printable will help him with the digestive system.

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

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

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

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

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

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

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!