This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

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

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

Ever wonder what a shooting star is made of? With this colorful worksheet, learn about comets while practicing reading comprehension and handwriting.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Pick up some facts about squids, including about the fascinating Giant Squid, and do a bit of writing on this reading comprehension worksheet.

What does the pancreas do? Kids will check out the diagram, read a paragraph, and put their reading comprehension skills to the test by filling in the blanks.

Get some cool facts about geckos on our reading and writing worksheet! Your little one is sure to be tickled by all the curious facts about geckos.

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

Looking for quiz questions to test your first grader's general knowledge? This printable will challenge your kid's overall knowledge.

Looking for a collection of questions to quiz your kid's overall knowledge? This printable will challenge your kid's overall knowledge.

These math cards are printable quiz cards to challenge your first grader's overall knowledge.

What's better than coloring and learning at the same time? Here's a great informational sheet on koala bears that doubles as a coloring page!

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Pick up some peafowl facts on this worksheet with vibrant illustrations. Little ones will read about different types of peafowl and answer some questions.

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Jump-start your kid's excitement about kangaroos! Together, you can learn some cool kangaroo facts, like how kangaroos can jump up to 30 feet.

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

The Goliath birdeater is a spider that lives in South America. Your child will read a paragraph about spider before writing an opinion sentence.

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

Discover how plants survive in the desert with this third-grade habitat worksheet!

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

Learn about the human brain with this zombie-themed science worksheet!

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

The next time your parents ask you to wash your hands before dinner, read this worksheet about Joseph Lister and take their advice!