Earth’s Atmosphere Composition and Natural Cycles
Atmosphere makes life possible: Living things use gases Keeps earth warm. i.e Global Warming Protects life
Characteristics of the Atmosphere Becomes thinner as altitude increases Density decreases as altitude increases The weight of the atmosphere is closer to Earths surface
Materials in the Air Most materials are gases Dust, saltwater, and vapors are present in the air Nitrogen 78% Oxygen 21% Oxygen 21% other gases 1% other gases 1%
Construct a Pie Graph
Gases in the atmosphere
Classwork Use pg 12A-13A Write 2-3 facts about each cycle to reference each picture. No additional time will be given to complete the assignment, so you must work hard!!
Reflection Write a summary about what you have learned about todays lesson. Please complete on the bottom of SIN pg 3. It will be included on the notebook check.