Teach Engineering
Introduction to Environmental Engineering
A series on environmental engineering introduces the class to issues that environmental engineers work to solve. This first lesson focuses on air and land issues, and looks at ways to reduce pollution.
Science Geek
Earth's Atmosphere
Ozone gas absorbs the harmful UV-B rays and helps protect humans. An informative presentation begins with the layers of the earth's atmosphere, the pressure and temperature in each of the layers, the ozone layer, the ozone cycle, and the...
Curated OER
Hebrews
When learning about other countries, societies, and people, it helps to understand what they believe and what they think is important. This is a quick and basic overview of Hebrew or Jewish beliefs. It covers basic symbolism, founding...
Teach Engineering
Introduction to Water Chemistry
What are the issues surrounding water quality? Viewers of this short presentation gain information about the importance of clean water, the lack of fresh water, water contamination, and ways that engineers treat water.