What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

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

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

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

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

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

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.