Geology

Sonoran Desert: Physical Aspects: Climate: Buried Valleys...

Cosmic dust on Earth

Understanding plate motions [This Dynamic Earth, USGS]

Table of Geological Periods — Infoplease.com

How The Hydrologic Cycle Works

How much dust and debris lands on Earth from space each year ...

http://www.answersingenesis.org/tj/v7/i1/moondust.asp

http://www.nenpl.org/ebook/Electronic%20Books/Darwin,%20Charl...

http://www.sciam.com/article.cfm?chanID=sa006&c...

rivers that flow north

If the source of a river is at a higher elevation than the mouth, that river will run from the source to the mouth. However, if that (higher) source is to the south of the mouth, that river will then flow to the north (downhill). what causes the water to come up at the source? pressure

Metamorphic Rocks

Rivers That Flow North

Water flows in only one direction: down

Welsh Slate The Strongest Most Durable Slate Known To Man

Atmospheric Pressure: The force exerted by the weight of air

why waves?

Seaweed also plays a role in the formation of sand

The KT extinction

Scott Polar Research Institute » M.Phil. in Pol...

Classes of Rocks

Atmospheric Pressure: force exerted by the weight of the air

Super-heavy Elements in Extraterrestrial Samples

Principles of Geology: Being an Inquiry how Far the Former...

Glossary for the Nature of Alberta

Moon Dust and the Age of the Solar System

First Comet Dust on Earth Reveals Clues to Solar System

The Holocene

Plate Tectonics

continents migrate faster than animals do? most people don't have access to motorized vehicles and don't migrate fast

http://science.hq.nasa.gov/oceans/

http://palaeo.gly.bris.ac.uk/palaeofiles/Permian/pangea.html

Science Online

Space Dust Flooding Our Solar System

Little Known Facts About The Ocean - MarineBio.org

Geological Eras

Mississippi River Information - Four Rivers Realty

Geoarchaeological evidence from desert loess in...

The World-Wide Web Virtual Library: Oceanography

http://www.educarm.es/paleontologia/html/martinez.htm

http://home.att.net/~o.caimi/Authors.html

http://www.ig.utexas.edu/news/news_releases/html/texas_time.h...

Blackwell Synergy - Terra Nova, Volume 11 Issue 6 Page...

http://home.clara.net/darvill/altenerg/fossil.htm

http://www.fossil.energy.gov/education/energylessons/coal/gen...

Flammability Limits of Hydrogen and Oxygen in Confined Spaces

Geological Observations On South America - Overview by...

niyam: HT TechTalk

Satellite Radar Finds Four Active Volcanoes in ...

slate — FactMonster.com

Slate Metamorphic Rocks

http://www.co.hernando.fl.us/utils/groundwater/PDF/hydrocycle...

The Age of the Earth

Charles Darwin - South American Geology Page 02

Desert Biomes

http://volcano.und.edu/vwdocs/vwlessons/lessons/Slideshow/Mer...

Oceanography

Video « Perspective

(http://www.ifa.hawaii.edu/~jewitt/kb.html)

http://oceanlink.island.net/

rock classification

http://www.nps.gov/iatr/planyourvisit/upload/legacy-.pdf