1. Unit 3: Plate Tectonics Vocabulary (use both the red textbook and your phone if necessary)
Inner core
Mantle
Outer core
Crust
Protoplanet
Protoplanet hypothesis
Asthenosphere
Epicenter
Composite volcano
Mid Ocean Ridge
Basalt
Granite
Pangaea
Converging boundary
Diverging boundary
Transform boundary
Subduction
Fault
Lithosphere
Plate tectonics
Spreading centers/Sea Floor Spreading
Earthquake
Seismic Wave
Sill & Dike
Rift Valley

2. I. Earth’s Origin & Structure

3. A. Origin Facts
All the planets revolve in the same direction around the sun.
The path of the planets are elliptical.
The planet paths are nearly in the same plane (flat surface.)
Most of the planets have moons

4. B. Protoplanet Hypothesis
Great ball of dust and gas slowly rotates in space.
Gravity compressed the ball.
The compression made the ball rotate faster, & the compressed material reacted into a hot core (Sun.)
Material around the ball compacted into masses called protoplanets.

5. C. Origin of the Oceans & Atmosphere
Oceans: volcanoes produced gas vapor that condensed into the oceans
Atmosphere: Sunlight broke up water molecules into oxygen, & volcanoes released gases.
a.) green plants also add Oxygen through photosynthesis.

6. D. Structure of the Solid Earth
Crust: (10Km Thick at ocean basin, 65Km at mountain top)
Mantle: (2900KM thick) ?
Outer Core: (2250 Km thick)
Inner Core: (1200Km thick)

7. Crust: solid rock, includes dry and wet land.
Continental crust- made of granite
Oceanic crust- made of basalt (more dense than granite).

8. 2. Mantle: hot & solid rock a
2. Mantle: hot & solid rock a. Lithosphere: Upper, rigid part of the mantle b. Asthenosphere: Middle, soft layer of the mantle

10. 3. Core: made up of mostly metals, very hot. a
3. Core: made up of mostly metals, very hot! a. outer core: liquid metal b. inner core: solid, dense metal

11. Seismic waves
Waves travel at different speeds through liquids & solids. (Also different types of minerals)

12. Meteorite
Show similar metals to what we believe the core is made of!

13. CBA: Journey to the Center of the Earth Textbook Time
Use the red textbook to answer the following questions:
Pg. 130: “Analyzing Data” 1-4
Pg. 131 #’s 1 & 2 all
Pg. 135 #’s 1-3 all
GET A STAMP WHEN COMPLETE!