1. 1. Mercury 2. Venus 3. Earth Mercury is the second smallest planet. Venus is the second nearest planet to the sun. Earth is the 3 rdplanet from the Sun; it is the planet…

Slide 1Unit C – The Changing Earth Pages 292 - 401 Slide 2 The history of our planet is one of change. There is evidence not only that Earths surface is changing but that…

Slide 1 Earth Science Chapter 2 Measuring Earth Slide 2 Shape of Earth Evidence the Earth is spherical: –Photographs from space –Setting sunlight lingers on treetops,…

Slide 1 Slide 2 asthenosphere lithosphere mesosphere Slide 3 Lithosphere (hard) Asthenosphere (soft) Mesosphere Slide 4 Mantle- 1000 o C mesosphere Solid ~ 2300 km thick…

Slide 1 Plate Tectonics Slide 2 Earth’s Interior Earth is made of layers Crust Upper Mantle (asthenosphere ) Mantle Outer Core Inner Core Scientists discovered these layers…

asthenosphere lithosphere mesosphere Lithosphere (hard) Asthenosphere (soft) Mesosphere Mantle- 1000oC mesosphere Solid ~ 2300 km thick asthenosphere Soft ~3000 km thick…

Do Now: We all know that wood floats on water. Yet, the wood is not stationary. What drives the movement of the wood on the water? Aim: How do continents move? Continental…

Plate Tectonics Unit: Plate Tectonics Unit: Composition of the Earth: Layers of the Earth: Crust: 5-100km thick. Oceanic crust: thin and more dense, mostly basalt Continental…

Plate Tectonics Plate Tectonics Earthâs Interior Earth is made of layers Crust Upper Mantle (asthenosphere) Mantle Outer Core Inner Core Scientists discovered these layers…