Watch this video to learn about the hottest and coldest places in the world and discover why the temperature is different in different places. Different places in the world have very different ...

Why is water different colors in different places? – Gina T., age 12, Portland, Maine What do you picture when you think of water? An icy, refreshing drink? A crystal-blue ocean stretching to ...

The particles can either absorb this radiation or reflect it in a different direction – a process known as scattering. What we see with our eyes is the fraction of radiation that is scattered ba ...