1. Warm- up
Pick up a DO NOW slip. You have 5 minutes to work on it.

2. Biogeochemical Cycles

3. Earth’s Spheres

4. Sphere of Function
Earth can be divided into spheres that are defined according to their location and function

5. Earth’s Sphere Atmosphere Hydrosphere Lithosphere Biosphere Cryosphere
Anthrosphere

6. The Geosphere ______: Thin, cool, rocky outer “skin” Crust
_________ and _________ on and below Earth’s surface:
Rocks
minerals
______: Thin, cool, rocky outer “skin”
Mantle: Very hot and mostly solid
_____: Outer core is molten metal, inner core is solid metal
Crust
Core

7. The Atmosphere A _______sphere and it envelopes the Earth, gaseous
Consists of a mixture of gases composed primarily of _________, ________,____________ ____, and water vapor.
gaseous
nitrogen
oxygen
carbon
dioxide

8. The Hydrosphere Consists of Earth’s ________ water
Most of Earth’s water (97.5%) is _____water.
Only 0.5% of Earth’s water is unfrozen fresh water usable for drinking or irrigation.
Earth’s available fresh water includes ______water and _______ water.
water
salt
surface
ground

9. The Lithosphere
The Earth's solid surface, often called the_____________. It includes ____________ and __________crust as well as the various layers of the Earth's interior.
crust of the earth
continental
oceanic

10. Biosphere
life
All _____on earth, including humans, and all other organisms.
The part of Earth in which ______ and________ things________
living
nonliving
interact

11. Cryosphere
The portion of the Earth's surface where water is in a _____form
Snow or ice: includes glaciers, ice shelves, snow, icebergs, and arctic climatology
solid