Out of all the water on Earth, 96 percent of it is found in the ocean. And yet, we know more about space than the dark depths of our own ocean. Dive into the wild waters of the hydrosphere to explore
Geosphere, hydrosphere, atmosphere, and biosphere—each of these spheres make up planet Earth. From deep below Earth’s surface where metals are made to the thermosphere that protects our planet from ha
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 keeping a star stable to thei
Amidst more than 200 billion stars in a galaxy measuring 100,000 light years across, life has been discovered only in one place in the Milky Way: planet Earth. Yet the Milky Way is only one of many ga
Science is not all about the facts. It’s about the evidence! Scientists often launch into unexpected directions as they follow where the evidence leads. Learn how to navigate through the scientific in
While Earth is constantly changing, evidence shows that humans are speeding up the process of the greenhouse effect. Extreme weather, plant and animal extinction, and reshaping of our coastlines are h
The human body is made of up trillions of cells! Without cells and their remarkable abilities, there would be no life. Layer by layer, you’ll journey into animal and plant cells to discover what these
Dynamite is highly explosive. This is because it’s a chemical reaction waiting to happen. Chemical reactions happens all the time - even inside us! Reactants change to make new products. Explore physi
You eat food every day. In fact, every living organism can’t live without it. Digestion is a complex, sometimes gross, process by which our bodies turn a meal into energy. From humans to birds and her
Earth is a unique place to live. Being just the right size and distance from the sun to maintain life is remarkable! Life depends on non-life in order to live. Explore the interdependence of living an
