Near Earth Asteroid eWorksheet

Title of Tile: ASTEROIDS, a TILE

Grade Level: A. Grade Level - 2 and up B. NYS STANDARD: Students will read, write, listen, and speak for information and understanding.


I. Introduction a. What is an asteroid? Asteroids are also known as planetoids or minor planets. Asteroids are rocky or metallic objects, most of which orbit the Sun in the asteroid belt between Mars and Jupiter. A few asteroids approach the Sun more closely. None of the asteroids have atmospheres. Asteroid 253 Mathilde, a Near-Earth Asteroid is about 60 km in diameter and orbits in the asteroid belt between Mars and Jupiter. b. Can anyone guess how many asteroids are there? i. There are about 40,000 known asteroids that are over 0.5 miles (1 km) in diameter in the asteroid belt. About 3,000 asteroids have been cataloged. There are many smaller asteroids. The first one discovered (and the biggest) is named Ceres; it was discovered in 1801. Holy Cow!!! That’s a lot of asteroids!


II. Tasks A. Visit the particular website on asteroids. Read over your segment twice and become familiar with it. There is no need to memorize it. B. Use an eWorksheet to organize what you have read C. Share your new found knowledge with other members of your group using the poster project D. Retrieve summarized information from the posters of other members of your group and add that information to a master eWorksheet

Process:2. Those of you in charge of answering this question: What are Near-Earth asteroids? Do the following: a. Download this eWorksheet b. Visit the website listed on the eWorksheet c. Answer the questions on the eWorksheet on paper

Evaluation: The rubric is in Near Earth Poster Project Web Site. See below.
Useful links
Last updated  2008/09/28 06:24:41 PDTHits  143