Surf's up, big kahunas! How do surfers know when the big waves will appear? They use science! Over the course of five days, dive in to the inner workings of tidal waves and learn to predict sea levels with the moon as your guide.

In 150 BC, Seleucus of Seleucia theorized that the moon causes the tides. Scholars learn about what causes tides by studying the interactions of gravity between the sun, moon, and Earth. They use technology to formalize otherwise...

Here is a fascinating lesson about the life cycles of plants and animals, and other cycles found in nature. Learners explore the cycle of the moon, the tides, and other sequences of events in every day life. The big activity is the...