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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...

Stars light up the sky on a clear night. They may look the same from Earth, but they come in many sizes and colors. From the balanced forces of nuclear fusion and gravity...

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...

What goes up must come down! How often have you heard this saying? This typically refers to the effects that gravity has on objects. Without gravity our lives and surroundings...

Different animals need different habitats to match their specific needs. This means the right soil, water, food, light, climate, and predators! Learn all about different habitats...

Learn about all the things we use from nature! We use trees for wood, the sun for energy, sand for bricks, metal for tools, and more. We even eat the plants that nature gives us!...

Have you ever studied fossils? Have you heard of fossil fuels? Fossil fuels are a very important part of our environment and some fossil fuels are being used up faster than they...

No living thing on Earth can survive without depending on the help of other living things. Learn all about interdependence and how familiar things rely on each other to live...