3rd Grade

Water moves and changes from liquid, to solid, to vapor! Learn about the different states of water, the water cycle, all the ways we use water, and how we can save water in this...

The land, water, and air on our planet are always changing! Learn about the water cycle, the rock cycle, volcanoes and earthquakes, fires and floods, adaptation, and more. The...

Home sweet home. Organisms must live in the right habitat to survive. And when their needs are met, the right environment enables plants and animals to thrive. From the desert to...

Ever wonder what life would be like without electricity? Become electrified with the amazing facts about how electricity was discovered and how it has evolved over time...

If you've worn headphones, watched TV, worked on a computer, or ridden in a car, then you have experienced the power of electromagnetism. Learn all about electricity, magnetism,...

Energy comes from many sources. It comes from the sun, wind, water, and more. Learn all about energy and how it works in daily life. Colorful images pair with easy-to-read text...

There are many types of energy. From potential energy to kinetic energy, electrical energy to mechanical energy, energy is constantly changing from one form to another. Learn...

Just how big is Earth compared to our solar system, the Milky Way, or even the universe? Although Earth is home to many different species and it seems huge to us, it is very...

Have you ever seen a tree at the grocery store buying dinner? Probably not! Discover how plants harness solar energy and other elements to make their own food through...

We experience friction all around us! When you move, you use kinetic energy. Friction slows down kinetic energy. Learn how friction helps us every day. Vibrant images pair with...

Forces are all around us! A force can make something move or stop moving. Even though we cannot see them, forces are always at work. Learn about gravity, friction, and magnetism...

Playing Tug-of-War, pedaling a bike, jumping rope - these actions all require force! We typically don't notice most of the forces around us, but they surround us all the time...