Students in this lesson will be introduced to the concept of tides and tidal forces. By viewing a related applet which visualizes the relationship between the Earth, moon and tides, students will gain an understanding of why the Earth experiences tides. In the process they are asked to observe and explain how the relative positions of Earth, the moon, and the sun are responsible for the moon phases, ... Full description.

This bookmark on volcanic aerosols provides a Web address for additional information and resources. Full description.

In this episode, the tree house detectives are troubled by a strange tremor in the area, and they decide that they need to investigate earthquakes. They delve into geography, geology, and plate tectonics to discover why they're all shook up. The NASA SCIence Files- series introduces students in grades 3-5 to NASA and integrates mathematics, science, and technology through the use of Problem-Based ... Full description.

This team-based, interactive educational experience aims to engage students in real-world problem solving. The volcano on the normally tranquil island of Montserrat has come to life. As flaming pebbles and lava begin their devastation, emergency response teams learn that a hurricane is approaching. Using real-time hurricane and seismic data, teams of student specialists assist Mission Control, by ... Full description.

This Web site brings together scientific content on Earth and space sciences with interdisciplinary content on the arts and humanities. Three levels of content are provided: students (K-12 through undergraduate), teachers, and browsing adults. The site includes documents, images, movies, animations, sounds, games, and data. Full description.

Discovering Plate Boundaries is based on 5 world maps containing earthquake, volcano, topography, satellite gravity, and seafloor age data. The novel aspect of the exercise is the "jigsaw" manner in which student groups access the maps and use them to discover, classify, and describe plate boundary types. The exercise is based only on observation and description, which makes it useful at a wide variety ... Full description.

In this Web-based, interactive story, Tutangiaq (Too-tang-geye-ack - nicknamed 2T), a Canada Goose, flies across Alaska looking for his family. As he flies, he tells students about the 49th state. Students learn several facts about the state, including how Alaska was purchased from the Russians,. They can also compare the size of Alaska to other states. 2T takes a flight across the volcanic chain ... Full description.

The activities in this 16-page magazine encourage children to look more closely at geology in their local environments and support their exploration of a range of dynamic Earth processes. Full description.

This 30-page guide includes classroom activities that feature content taken from National Geographics' Atlas of the Ocean: The Deep Frontier. Each activity in the guide takes the student on an underwater adventure exploring our oceans. Subjects include undersea hot spots, underwater archaeology, bioluminescence, coral reefs, and polar sea exploration. This book of maps, charts and deep sea images ... Full description.

The stories included in this annual publication primarily focus on research and recent success stories of how NASA's Earth Observing System data are being used to benefit society. Each article features data that are processed, managed, archived and distributed through NASA's Distributed Active Archive Centers and cooperating data centers. It is written for the scientifically interested public. Full description.