Date Oct 28 2014 Page Table of Contents
Date: Oct 28, 2014 Page: Table of Contents p. 22 Glossary – Back of SNB Warm-ups – Front Cover W. O. D. Lithosphere- the solid, outer layer of the Earth that consists of the crust and the upper, solid portion of the mantle. Warm-Up: Which part of the lithosphere do you think is more dense, the oceanic crust or the continental crust? (hint – look at the image)
Today’s plan • • • Warm-up Introduce Earth’s layers Skim pages 190 -193 in Earth Science Earth’s layers foldable Table of contents Reflect
Rock Cycle What forces act on rocks to cause them to change?
Lithosphere-Crust and upper mantle, solid Asthenosphere-Liquid upper/middle mantle
Convection Currents-Circular heat transfer in Asthenosphere
Elements in Earth’s Crust • The 8 most common elements in Earth’s crust (by mass): 46. 6% Oxygen (O) 27. 7% Silicon (Si) 8. 1% Aluminum (Al) 5. 0% Iron (Fe) 3. 6% Calcium (Ca) 2. 8% Sodium (Na) 2. 6% Potassium (K) 2. 1% Magnesium (Mg
Table of Contents. p 22 • • • Weather tools p. 23 Weather tools/pre/lab p. 24 Weather tool Analysis p. 25 Current Events #2 p. 26 Intro to Hurricanes/Web quest p. 27 Text Reading p. 28 Hurricane Map p. 29 Hurricane Mini-Lab p. 30 Rock Cycle Webquest p. 31
Reflection • In the earth’s mantle, what are the circular currents of heated rock called?
What other natural disasters are there…? • Drought • Tornado • Hurricane
- Slides: 10