Unit 1 Earth Dimensions

NYSSLS Performance Expectations (Objectives)
    • HS-ESS2-2: Analyze geoscience data to make the claim that one change to Earth's surface can create feedbacks that cause changes to other Earth systems.
    • Note: Most Unit 1 content (coordinate systems, map reading, time zones) is foundational knowledge supporting other standards but not directly assessed as separate PEs.
Extraneous Content (No Longer Required)
    • Detailed calculations of Earth's circumference using Eratosthenes' method
    • Memorization of specific latitude/longitude of major cities
    • Complex time zone calculations (reduced emphasis)

Introduction to Earth Science

• Why Study Earth Science?

Major Topics and Objectives 
1A.  EARTH’S SHAPE
Video Lesson 1A-1  Simpson's Gravity Video
Video Lesson 1A-2  Earth's Shape and Polaris Ovierview
Video Lesson 1A-3  Angle to Polaris overview (View before Lab 1-1 Angle of Polaris)
Video Lesson 1A-3  Earth size with Adam Savage(Mythbusters) Eratosthenes and the speed of light experiment

1B.  EARTH’S SPHERES
Video Lesson 1B   What is known about Earth’s spheres?

1C.  MAP PROJECTIONS, LATITUDE, LONGITUDE, & TIME
How can we determine locations on Earth?
Video Laugh  Usefulness of accurate GPS 
Video Lesson 1C-1a   Latitude and Longitude Lesson
Video Lesson 1C-1b  Greenwich, England Longitude & GPS Issue Lesson
Video Lesson 1C-2  ESRT Latitude and Longitude Lesson
Video Lesson 1C-3  Longitude and Time Lesson
Video Lesson 1C-4  How to determine your longitude

1D.  INTERPRETING FIELDS & TOPOGRAPHIC MAPS
Video Lesson 1D-1  How to Draw Isolines
Video Lesson 1D-2a  How to Create a Profile of a Land-form from a Iso-map
Video Lesson 1D-2b  "Contour Map Creator"
Video Lesson 1D-3a  How to Calculate gradient #1
Video Lesson 1D-3b  How to Calculate Gradient on a Topographic Map #2 
Video Lesson 1D-4  How are surface features of the Earth mapped?