Did you know that cheetahs are the fastest land mammal? This fun worksheet is jam-packed with fun facts all about the cheetah.

Review energy terminology with this fun fourth-grade crossword puzzle!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Apply concepts of energy and motion to marbles in this fourth-grade worksheet!

This Earth Day, learn about conservation and the environment while you enjoy solving a fun puzzle! 

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

Got a gardening guru on your hands? Give them a fun challenge with this fill-in-the-blanks quiz about the parts of a seed!

How can an owl have long ears? Find out a few fun facts about the Long Eared Owl with an info sheet!

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Experience some explosive earth science! Use this diagram to teach your child about the various parts of an active volcano.

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

This Thanksgiving, serve up some Thanksgiving science learning and find out all about the chemicals that make up a typical Thanksgiving meal.

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

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

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.

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

Give your kid help with his science skills with this worksheet, which practices natural disaster vocabulary.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.