Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

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

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

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.

This experiment requires only lemon juice, salt, sugar and grapefruit. Your budding scientist can get a great introduction to science by testing her own tongue!

Searching for a way to help you kid practice their geography knowledge? This printable is a great way to learn the countries in North America.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

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

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

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

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

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

Practice describing, or classifying, different items by their properties in this inviting worksheet!

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

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

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

Determine whether items are hot or cold in this cut-and-paste activity for kindergarteners and first graders!

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

Identify examples of pushes and pulls with this cut-and-paste worksheet for kindergarteners and first graders!

Practice describing different objects and substances in this colorful worksheet!

Observe different forces at work with this kindergarten and first-grade worksheet!