Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Practice geology vocabulary with this challenging crossword puzzle.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Learn the ins and outs of one of the body's most important organs: the heart!

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

Take a plunge under the surface of the earth! With this worksheet as your guide, you may explore the geological processes of our planet.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.