Week 2 Social Studies

Please complete the news quiz on this site:

http://www.nytimes.com/learning/students/quiz/index.html

Who is Rudolph Guiliani and what did he do, according to the article?

Here are this week's words:
Justice Union Ordain Posterity Defense Tranquility Domestics Blessings Welfare Secure

Rotational symmetry

Working in pairs please go through this tutorial on rotational symmetry:
http://www.learner.org/channel/courses/learningmath/geometry/session7/part_b/index.html