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

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

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

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

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

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Study the night sky with this hands-on science worksheet for third and fourth graders!

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

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.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

Dive into habitat studies with this second- and third-grade worksheet!

Studying earth science? Learn about the different types of clouds with the series of cloud types.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Become a disaster detective in this fun science worksheet!

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

Dig into the past with this third-grade worksheet all about fossils!

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

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

Children get to know animals of South America in this nature-themed worksheet.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

Help third and fourth graders become rock stars with this informative geology worksheet!

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Try to find natural resources in this camping-themed worksheet for second and third graders!

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!