Go with the flow! The eighth installment in a 13-part series has earth science students dive in to the world's system of ocean currents. The interactive illustrates the different types and depths of currents, how wind and gravity...

Sometimes low, sometimes high, but always in motion! Explore Earth's tidal system in the 10th interactive in a series of 13. Engaging life and earth science students alike, the versatile resource demonstrates cause and effect between...

Six short answer questions challenge scholars to show what they know after reading an informational text that examines waves—what they are, what causes them, and how different Earth factors affect their size and strength.   

Based on the rate of melting observed from 2003-2007 in Greenland, it would take less than 10 minutes to fill the Dallas Cowboys' Stadium. The 17th instructional activity in a series of 21 has scholars use the ICESat data to understand...

Can Earth's oceans produce a steady supply of clean energy? Scholars explore the uses of tidal and thermal energy in the 11th installment of a 13-part series about ocean-based alternative energy sources. Learners examine the...

Show me what you know about the sea. Learners answer 10 questions about marine biology. The questions range from what evidence points to the origin of life to the biggest threat to oceans.

Given models and illustrations, students will identify, demonstrate, and predict the sequence of events in the lunar cycle and relate the position of the moon and sun to their effect on ocean tides.

A great resource for explaining and understanding tides. Find out what tides are and why it is so important to monitor them. This is an extensive tutorial followed by a set of review questions. All of the information can be downloaded as...

[Free Registration/Login may be required to access all resource tools.] Reveals tidal patterns and that tides are caused by the gravitational attraction of the Sun and Moon to Earth.