Unit 3 The Dynamic Crust

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Video Lesson  Daylight Savings Time 

2025-2026 Daylight Savings Dates

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Video Lesson EQUINOX - EQUILUX explained

Major Topics and Objectives 
3A. PLATE TECTONICS
Video Lesson 3A-1a Continental Drift and Plate Tectonics
Video Lesson 3A-1b How were the Rocky Mountains Formed
Video Lesson 3A-2 Paleomagnetism and Magnetic Reversals
Video Lesson 3A-3 Plate Boundaries

3B. EARTH’S INTERIOR
Video Lesson 3B-1 Earth’s Crust and the Interior (10 min)
Video Lesson 3B-2  Earth's Inferred Interior (10 min)
Video Clip: Jurassic Park Dig Site Scene using Seismic Mapping

3C. EARTHQUAKES

Video Lesson 3C-1  Earthquakes (10 min)
Video Lesson 3C-2  What risks are associated with earthquakes?
Video Lesson 3C-3  How can earthquakes help us understand what the interior of the earth is like?(14 min)
Video Lesson 3C-4  How Tsunamis form
Video Lesson 3C-5 Tsunami in Japan (from the BBC)
Video Lesson 3C-6 Fukishima Tsunami of 2011 (Nat. Geo.)

3D. FINDING EARTHQUAKE EPICENTERS, DEPTHS, & ORIGIN TIMES (1996 NYS Earth Science Standards)
Video Lesson 3D-1a  Earthquake Epicenters and seismic waves overview
Video Lesson 3D-1b  Finding Earthquakes 
Video Lesson 3D-1c Drawing Circles and Problems with Finding Earthquakes
Video Lesson 3D-2  Finding Earthquake Origin Time 
Video Lesson 3D-3  Lab 3-6 Subtracting Time Examples
Video Lesson 3D-4  Lab 3-6 Finding EQ distance and Origin Time
Online Time Calculator  Subtracting Time Calculator

Unit 3 The Dynamic Earth Links: Beekmantown High School Seismometer Plate Tectonics Continents Adrift Video - watch to complete video WS Earth’s Interior Earthquakes Earthquake Animations (IRIS Network)

Laboratory Investigations Lab 3-1 Patterns of Crustal Activity (NYSSLS) Plate Boundaries Introduction Lab 3-2 Evidence of Plate Boundaries (NYSSLS) Evidence of Plate Boundaries Lab 3-3 Speed of Crustal Plates (NYSSLS) Speed of Crustal Plates Lab 3-4 Plate Boundaries and Earthquake Depths (NYSSLS) IRIS Earthquake Depths Browser Lab 3-5 Earthquakes in N.Y. and the U.S., Risk, & Prediction (NYSSLS) Earthquake Hazards vs Risks #1 (2 min) US Earthquake Risks #2  (5 min) US Earthquake Risks #3  (5 min) Earthquake Interactive Map Lab 3-6 Finding Earthquake Epicenters and Origin Times (1996 Standards) Lab 3-6 Subtracting Time Examples Lab 3-6 Finding EQ distance and Origin Time