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.

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!

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

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!

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

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!

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!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

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

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!