
How do we know there is air all around us if we can't see it? Is it possible for air to make something move? Does air have a smell or a taste? What kinds of things are in air? Can air be hot or cold? And why is air so important to people, animals, and plants? Using everyday,...

We see different colors every day, and we all have a favorite color. But what makes objects different colors? In this title, students will have the opportunity to conduct experiments that help them investigate what color is, as well as why things in our world are different colors...