Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

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

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

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

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

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

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Kids learn about the Earth's solid and atmospheric layers, then label the diagram with the correct terms in this fifth grade Earth science worksheet.

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.

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

Find out all about the different parts of the eyes and how they work together to make vision possible.

Get a brief history of the atom with this introductory page for young physicists!

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

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

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

Test your knowledge of the periodic table of the elements with this quiz page!

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

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

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

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

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

Practice using the periodic table to calculate the number of neutrons in the atom of an element.

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

Learn the basic structure of an atom with this introductory page, complete with a fun experiment they can try at home!

Learn more about the swirling, whirling science behind tornadoes with this wild worksheet.

What is the difference between a solar eclipse and a lunar eclipse? Find out with this stellar space science worksheet!

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