Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

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.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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.

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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!

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!