描述
Students try to communicate with intelligent life beyond our solar system, take a trip to Mars, and predict changes that will occur on Earth during the next 50 million years.
書籍詳情
格式
平裝書
頁數
96 頁
語言
英語
已出版
Oct 1, 1997
出版商
Teacher Created Resources
ISBN-10
1576901076
ISBN-13
9781576901076