Click the Techie Toolbox for tips and help to make the most of your time on the Web.

Chapter 21: The Sun-Earth-Moon System

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The Seasons [Updated link coming soon.]
From the World Book Encyclopedia, this Web site explains why the seasons happen. Use the information on this site to design your own poster that describes seasonal change.

The Four Seasons
This Web page is maintained by an organization in the United Kingdom and contains a project for students to record seasonal change. With your teacher and principal's permission, register your school and join in this online project.

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More Links to Maya Angelou
Visit this page for extensive links about Maya Angelou. Read three of her poems from the "Read, See, and Hear Maya Angelou" section and write reviews of them in your science journal.

Amazon.com - Maya Angelou [Updated link coming soon.]
Amazon.com offer online reviews of Maya Angelou's works. Read several of the reviews for a particular book. Then check out some of her books from the library and write your own online review.

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The Apollo Program (1963-1972)
From NASA's Web site, this is an extensive online review of the Apollo missions. Use the information on this site to make your own computer presentation of the missions, including a timeline.

Unit 7: Astronomy

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Virtual Trips to Black Holes and Neutron Stars
Visit this site to learn more about black holes and neutron stars. View the MPEG video of a virtual trip into a black hole. Then write a short story about an expedition to find a black hole.

The Nine Planets
Take a tour of our solar system with countless links, pictures, and statistics. Use models to make your own solar system. Include vital statistics and interesting facts about each planet in your model.

Pictures from the Edge [Updated link coming soon.]
Here is a gallery of space images. Choose the "Constellations" link to find the different constellations in the night sky. Use this guide to find Polaris in Ursa Minor. Try to identify other constellations.

Hubble Space Telescope
This is the home page of the Space Telescope Science Institute, where the Hubble is maintained. Here you can find excellent pictures and links to news stories and explanations of images. Make your own computer presentation of these images, explaining what they are and where they occur.

Galileo the Telescope
Learn about Galileo and his telescope. Use the directions on this site make a telescope like Galileo's and use it to look at some celestial bodies.

NASA
This is NASA’s home page, with daily updates and links to the countless NASA sites. Make a class newsletter that runs updates on NASA news.

Electromagnetic Spectrum [Updated link coming soon.]
This page offers a nice review of the electromagnetic spectrum. With a partner, make a poster that shows the different wavelengths of the spectrum.

Welcome to the Mars Mission!
A tour of the current Mars missions: Sojourner, Pathfinder, and Surveyor. As a small group, put together a news report that explains NASA's latest efforts to survey the red planet.

ASTRONOMY Magazine
This is the Web page for Astronomy, the world's largest English-language magazine for astronomy enthusiasts. Use this online magazine to research recent astronomy news and write your own news article.