CONCEPT

SUBCONCEPTS

ACTIVITIES

SECTION ONE:

"Plate Tectonics"

Forces in the Earth cause its surface to change over time

Structure of the Earth

History of plate tectonics

Plates

Plate boundaries

Forces that create stress

Faults

To be added.

SECTION TWO:

"Earthquakes"

Earthquakes are the Earth's natural means of releasing the stress that is built up due to plate motions.

What are earthquakes?

Types of earthquakes

Tectonic Forces

Elasticity

Seismic waves

Detection and recording

Measurement

A new type of measurement

How many earthquakes does it take to build a mountain?

SECTION THREE:

"GPS"

GPS is a satellite technology used as a tool to measure crustal change

What is GPS?

How does it work?

GPS in earthquake studies

Using GPS to measure earthquakes

Are GPS measurements accurate or precise?

What is a rate?

How far away are satellites?

SECTION FOUR:

"Space Technology at Work"

SCIGN is a network of GPS stations used to study tectonics and earthquakes in Southern California.

What is SCIGN?

Who runs it?, and Who has access?

What happens to the SCIGN data?

How are the SCIGN data used?

How fast is the Jet Propulsion Laboratory's station moving?

How long will it take for Los Angeles and San Francisco to meet?