1. Monday January 14, 2013 (Video and Worksheet - Geologist's Notebook: What Exactly Are Minerals?)

2. The Launch Pad Monday, 1/14/13 What’s the difference between a mineral and a rock? A mineral is a naturally occurring, solid chemical substance that has a characteristic chemical composition that can be expressed by chemical symbols and formulas. A rock is a mixture of minerals and does not have a specific chemical composition. Examples of minerals include gold (Au), calcite (CaCO 3 ), and halite (NaCl.) Examples of rocks include granite, limestone, and sandstone.

3. Announcements Happy National Dress Up Your Pet Day!

4. Announcements I will be available after school today until 4:45.

5. Assignment Currently Open Summative or Formative? Date IssuedDate Due Date Into GradeSpeed Final Day Quiz 14S412/12 12/191/16 Lab – FossilsF21/91/101/18 Quiz 15S512/11 1/25

6. Recent Events in Science NASA Rules Out Earth Impact in 2036 for Asteroid Apophis Read All About It! www.nasa.gov/mission_pages/aster oids/news/asteroid20130110.html NASA scientists at the agency's Jet Propulsion Laboratory in Pasadena, Calif. effectively have ruled out the possibility the asteroid Apophis will impact Earth during a close flyby in 2036. The scientists used updated information obtained by NASA-supported telescopes in 2011 and 2012, as well as new data from the time leading up to Apophis' distant Earth flyby yesterday (Jan. 9). Discovered in 2004, the asteroid, which is the size of three-and-a-half football fields, gathered the immediate attention of space scientists and the media when initial calculations of its orbit indicated a 2.7 percent possibility of an Earth impact during a close flyby in 2029. Data discovered during a search of old astronomical images provided the additional information required to rule out the 2029 impact scenario, but a remote possibility of one in 2036 remained - until yesterday.

7. Video and Worksheet Geologist's Notebook What Exactly Are Minerals?