What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Gear up to go into the science lab with the help of this activity!

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

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

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

So what on earth is this funky creature? He is a Louisiana Pancake Batfish, one of several brand new species discovered within the past two years.

Did you know new species of animals are discovered every year? Color in this little cricket, the only one of his kind who can pollinate plants!

This lizard can grow to over six feet long! Color the Golden Spotted Monitor Lizard, one of several brand new species discovered between 2009 and 2011.