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...

Do you think Earth makes fun of other planets for having no life? The presentation covers the rotation and revolution of both the earth and our moon. It provides explanations for seasons, tides, and eclipses. Lesson is the 20th in a...

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.   

Test your class on Earth science with this extensive resource. This test, created by the University of the State of New York Regents, consists of 50 multiple-choice questions and 32 short-answer questions that cover the branches of earth...

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.

Don't be caught in the dark! Young scientists investigate the causes of both solar and lunar eclipses using an interactive to help them understand the development of an eclipse over time. They then research facts and characteristics...

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.

This lesson explains how the moon affects tides on Earth and about the different types of tides.

In this online textbook, students explore the phases of the moon, the moon's orbit, the origin of the moon, and the tides. Includes numerous inquiry-based activities.

[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.