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 a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Describe how things feel when you touch them and push on them!

Hey, did you hear that? Explore real-life examples of sound energy with this kindergarten and first-grade worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!

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

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

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.

Who will win the marble race in this two-page physical science worksheet?

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

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

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

We all know the famous equation E = MC^2. But what does it mean? Learn a bit more about Einstein's famous energy equation with this physical science worksheet.

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

Practice describing different objects and substances in this colorful worksheet!

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

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

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

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

Listen to the sounds of everyday life in this science worksheet!

Let your scientific skills shine as you decide which objects will let light pass through in this kindergarten and first-grade worksheet!

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

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

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

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!