This lesson provides an introduction to the occurrence and possible risks of household chemical products. Topics include some basic chemistry (how elements combine to form compounds) and how chemicals are classified.
Phenology: The Effects of Climate Change on Ecosystem Health
The article gives a good introduction to how scientists are using plant data to study the effects of climate change.
Introduction to U.S. Census Data
This activity provides an introduction to U.S. Census data using American Factfinder.
Imaginary Numbers -- Introduction to Imaginary Numbers
An introduction to the teacher's guide on imaginary numbers.
Inequalities and Absolute Values -- Introduction
Introduction to Chapter 2 of Felder's Algebra 2 Teacher's Guide.
Introduction to Probability
An introduction to a teacher's guide on probability.
Logarithms -- Introduction
The introduction to a teacher's guide on logarithms.
Matrices -- Introduction
An introduction to the teacher's guide on matrices.
Probability Concepts -- Combinations
An introduction to combinations.
Radicals -- Introduction to Radicals
An introduction to the teacher's guide on radicals.
Rational Expressions -- Introduction
An introduction to the teacher's guide on rational expressions.
Social Bookmarking in Plain English
A short introduction to the concept of social bookmarking, using Delicious as the example.
Podcasting in Plain English
A short introduction to Podcasting and how it's different from broadcasting.
RSS in Plain English
An introduction to RSS as a way to save time reading web sites.
Social Networking in Plain English
A short introduction to the concepts behind social networking websites.
Wikis in Plain English
A short introduction to wikis focused a group of people that plan a camping trip using a wiki.
Online Photo Sharing in Plain English
A short introduction to the concept and features of online photo sharing web sites.
Historical Introduction to Philosophy
This course covers the following topics: an introduction to philosophy; philosophy of religion; epistemology; the philosophy of mind; free-will and determinism; ethics and metaphysics.
STS-132 Mission Overview
Atlantis 12-day mission will deliver the Russian-built Mini Research Module-1 that will provide additional storage space and a new docking port for Russian Soyuz and Progress spacecraft. MRM-1, also known as Rassvet, which means dawn in Russian, will be permanently attached to the bottom port of the stations Zarya module. MRM-1 will carry important hardware on its exterior including a radiator, airlock and a European robotic arm. Atlantis also will deliver additional station hardware stored insi
Introduction to Fractions
This short video is from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years. How to introduce fractions. Fractions are comparisons. Mr. Chang suggests using food and money examples for the introduction. (2:18)