Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Practice geology vocabulary with this challenging crossword puzzle.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

Break down a word to create new ones with this fun worksheet for second through fifth graders!

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

Study the night sky with this hands-on science worksheet for third and fourth graders!

Explore humans’ inherited traits with this fun science worksheet!

Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!

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

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Flex your engineering design muscles with this engaging STEM worksheet for upper elementary students!

Think creatively about classroom objects with this STEM-focused scavenger hunt!

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

Become an energy investigator in this electrifying science worksheet!

Apply concepts of energy and motion to marbles in this fourth-grade worksheet!