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

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

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.

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

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.

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

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

Budding inventors can get a fun review of the simple machines with this word search.

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

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

How many machines can you find around the house? You may find them where you least expect it!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

Explore magnetism with this colorful science worksheet for third and fourth graders!

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

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

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

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

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

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

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

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

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

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

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

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!