If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

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

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

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

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

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

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

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.

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

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

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

Children are introduced to the concept of the speed of light in this illustrated worksheet.

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

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