Just Submitted Earth Science Files

Below are a listing of files that have been recently submitted. They are in order of newest to oldest. There are 499 files.

Mind Bogglers
Date Submitted: 2005-09-01
Explain the following apparent contradictions in meteorology:

Making Light...
Date Submitted: 2005-09-01
Your task is to demonstrate to the class as many truly different ways as you can of creating light. Use the lines below to list your methods. Each method must be unique, and not just using different materials to do the same thing.

The Greek Geometer
Date Submitted: 2005-09-01
Quite remarkable that someone would calculate the dimensions of planet Earth over a thousand years (!) before most people realized that the Earth is, in fact, a sphere and that Earth is, in fact, a planet.

Crystallography
Date Submitted: 2005-09-01
A crystal is a chemical solid with flat faces that meet at precise angles. Each crystal shape represents a unique pattern of the internal arrangements and bonding of atoms.

River Profile
Date Submitted: 2005-09-01
A Longitudinal Profile of the Colorado River

Angular Diameter Of The Sun
Date Submitted: 2005-09-01
When we think of size, we usually think of units such as meters or liters. But we can measure the apparent size of an object in in degrees of angle. The diagram above shows that the apparent size of the moon is about half the apparent size of a dime held

Get A Half Life
Date Submitted: 2005-09-01
The theory of how half life break-down works is very mathematical. But it can also be modeled for us to see with simple materials. As you do this lab, try to ask yourself, How is what I'm doing like the decay of a radioactive nuclide?

Insurance Company Letter Regarding Hurricane Premiums
Date Submitted: 2005-09-01
Recent storms have had devastating effects on properties in many parts of the country. We find it necessary to take action to reduce our exposure to future catastrophic loss therefore we are increasing you hurricane deductible.

Finding Polaris
Date Submitted: 2005-09-01
Once you are able to identify the North Star, you will be able to find North. Simply trace a line from the star to the horizon, and that is North. To your right is East, straight behind you is South, and to your left is West.

Seasons And Sunpath
Date Submitted: 2005-09-01
In this lab, you will use a plastic hemisphere to represent the dome of the sky. You will need to imagine that you are at the center of the base of the dome. The border around your globe, where it touches the table is your horizon.