This worksheet uses a paper bird to demonstrate center of gravity, and practices following directions and fine motor skills.

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

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

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

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

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

Explore everyday forces with this first- and second-grade science worksheet!

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

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

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

Listen to the sounds of everyday life in this 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!

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

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

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

Why do some objects make loud sounds when dropped, while others make quiet sounds?