This Amazing Space lesson is an interactive card game which helps students learn the properties of comets, asteroids, and the Sun and planets. As students answer questions correctly about the solar system, they collect cards. Background information is provided for teachers. Full description.

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 Web site features a daily image of an unusual aspect of the Earth's system. Each image includes a description, when and where it occurred, and other information. Search the archive by keyword or browse by topic going back to 2000. Full description.

This educational resource describes the science behind volcanoes and volcanic processes. Topics include volcanic environments, volcano landforms, eruption dynamics, eruption products, eruption types, historical eruptions, and planetary volcanism. There are two animations, over 250 images, eight interactive tests, and a volcano crossword puzzle. Full description.

This website is a planetarium with simulations intended to predict planetary motions. It is designed to be used in the classroom, or in the lab by students. It demonstrates the following simulations: Mercury/sun; The 'visible' Solar System; World Horizon; Earth/Moon System; Ptolemy/Tycho/Copernicus Solar System Models; Jovian System. This is an ongoing process, so pages are added and modified continuously. ... Full description.

This web application, developed mainly for elementary school students, shows the phases of the Moon for each day of a selected month from any given latitude and longitude. The calendar can be set from 3999 BC to 3999 AD. Each day can be looked at individually, or can be animated to go through the phases. Other information includes the distance to the Moon, time of Moonrise and Moonset, and the distance ... Full description.

This website takes the complex ideas of astronomy and makes them fun and easy for younger children to understand. The Planets Section highlights each planet in our solar system by answering the following questions: where is it?, how big is it?, can I see it?, how did it get its name?, what is it made of?, what's it like on the surface?, and does it have moons?. An image is included for each planet ... Full description.

This archive contains articles written by planetary geoscientists about current research on the planets and some related special topics. Specific topics include: Mercury, Earth, the Moon, Mars, Mars life issues, asteroids, the Jupiter system, Meteorites, comets, and origins of various bodies in our solar system. Users may subscribe to the PSRD mailing list, a secured listing, to receive e-mail notices ... Full description.

This lesson plan is part of the Center for Educational Resources (CERES), a series of web-based astronomy lessons created by a team of master teachers, university faculty, and NASA researchers. The activities in this lesson are designed to give students solid experiences of observing, organizing, comparing, and describing the movement of objects they see in the sky. Students will also learn how early ... Full description.

This Classroom Connectors lesson plan teaches young students that day and night result from the rotation of the Earth. The site provides goals, objectives, an outline, time required, materials, activities, and closure ideas for the lesson. The Classroom Connectors address content with an activity approach while incorporating themes necessary to raise the activity to a higher cognition level. The major ... Full description.