1.Layer Layer Layer Layer Layer Layer 6 – 7.What characteristic /physical property divides each main layer? Lesson Essential Question: How does each layer of the atmosphere benefit the Earth?

2  Go over bellringer  Science Challenge Questions  Complete constructing Support activity  Watch BrainPop  Atmosphere Graphic Organizer  (Check LEQs)

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Tropo means “turning” or “changing”. Contains most of the atmosphere’s mass. The weather forms here. Planes, balloons, and birds fly here.

Strato means “layer” or “spread out”. Contains the ozone layer. Second layer

Ozone = a form of oxygen that contains three oxygen atoms in each molecule instead of two. Ozone converts the sun’s energy to heat, warming the Earth. Protects Earth from dangerous ultraviolet rays.

Meso means “middle”. Protects Earth’s surface from being hit by meteoroids and other material from space by burning them up upon entry.

Thermo means “heat”. Hottest layer because sunlight strikes it first. Extends into space, no outer limit. Broken into two sub layers: ionosphere and exosphere.

Energy from the sun causes gas molecules to become electrically charged particles called ions. These ions strike atoms in our atmosphere causing the atoms to glow creating the Northern Lights.

The outermost layer of the thermosphere. Extends into space. Satellites orbit in this layer.

 Construct support for why your assigned layer serves an important role in the atmosphere, or why it’s beneficial to Earth. 14

Sunday, September 13, 2015 None

16 1.Walk around the room. When your teacher prompts you, stop moving and freeze. 2.Whomever you are standing next to, share something you learned today about the layers of the atmosphere with them. 3.You cannot repeat the same idea.