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

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

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

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

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

Listen closely! Do you hear anything? Identify examples of sound energy in this kindergarten and first-grade worksheet!

Shed some light on the interactions between objects and light with this science worksheet for kindergarteners and first graders!

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

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

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

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

Help your child learn about one of the most elementary elements, gold.

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

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

Learn a basic concepts physical science with this fun worksheet. Your little one will decide which objects sink, and which ones float!

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

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

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! 

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

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

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.

Bikes are a healthy, great way to get from one place to another! Use this bike chart to familiarize yourself with basic bike parts.

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

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.