This three-part, ears-on lesson blends sound and visuals to help middle schoolers make sense of linear relationships.

The odds above are listed in American format. The favorite can be identified by the negative odds. The underdog has the positive odds. For example, the Montreal Canadiens have odds of -175. This means ...

The Earth is always spinning on an imaginary line called an axis. This line goes through the North and South poles. We call this spinning, rotation, and it takes about 24 hours for the Earth to make ...

Where do you find rainforests? Tropical rainforests are found across the world near the Equator in South America, Africa, Asia and Australia. The largest rainforest, the Amazon, is located in South ...