Spheres of the Earth SWBAT Classify the 4

Spheres of the Earth

SWBAT • Classify the 4 sphere’s of the Earth based on the characteristics of each sphere.

Do Now • Describe one way you know the Earth is round.

• • • 1) Lithosphere: the Earth’s crust thin shell of rock covering the whole earth. . 3 - 30 miles thick

• • 2) Hydrosphere -layer of water which rests on the lithosphere -covers 70% of the Earth’s surface -thinnest of all the layers

• • • Atmosphere -shell of gasses that surrounds the Earth -layered into zones (troposphere, stratosphere, mesosphere, thermosphere)

• Biosphere • the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms. • The global sum of all the ecosystems

• Can you guess which layer(s) it is?

Earth Science Reference Tables • Layers of the atmosphere • Reference Tables page 14 • Select Prop Chart pg 14

ESRT Page 14

Av Chem comp chart pg. 1 ESRT Chem Comp chart pg. 1 ESRT

Which sphere is composed primarily of water? A. Biosphere B. Hydrosphere C. Lithosphere D. Atmosphere

True or False Thumbs Up or Thumbs Down The biosphere is not connected to the other three spheres. False

Exit • Thumbs up/down • Begin: Begin working on pg 4 in your packet • Homework: Complete page 4 for homework