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.

Explore the applications of electrical energy with this helpful second-grade worksheet!

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.

Discover different types of energy with this third- and fourth-grade science worksheet!

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

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.

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

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

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

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

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

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.

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

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

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Learn about the science behind one of nature's most awesome spectacles: monsoons.

Learn how seeds move with this second- and third-grade matching activity!

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

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

Learn the ins and outs of one of the body's most important organs: the heart!